641993508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 2025354240

約数和(自身を除く): 1383360732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 19, 26, 31, 34, 36, 38, 39, 51, 52, 57, 62, 68, 76, 78, 93, 102, 114, 117, 124, 137, 153, 156, 171, 186, 204, 221, 228, 234, 247, 274, 279, 306, 323, 342, 372, 403, 411, 442, 468, 494, 527, 548, 558, 589, 612, 646, 663, 684, 741, 806, 822, 884, 969, 988, 1054, 1116, 1178, 1209, 1233, 1292, 1326, 1482, 1581, 1612, 1644, 1767, 1781, 1938, 1989, 2108, 2223, 2329, 2356, 2418, 2466, 2603, 2652, 2907, 2964, 3162, 3534, 3562, 3627, 3876, 3978, 4199, 4247, 4446, 4658, 4743, 4836, 4932, 5206, 5301, 5343, 5814, 6324, 6851, 6987, 7068, 7124, 7254, 7657, 7809, 7956, 8398, 8494, 8892, 9316, 9486, 10013, 10412, 10602, 10686, 11628, 12597, 12741, 13702, 13974, 14508, 15314, 15618, 16029, 16796, 16988, 18972, 20026, 20553, 20961, 21204, 21372, 22971, 23427, 25194, 25482, 27404, 27948, 30039, 30277, 30628, 31236, 32058, 33839, 37791, 38223, 40052, 41106, 41922, 44251, 45942, 46854, 50388, 50964, 55211, 60078, 60554, 61659, 64116, 67678, 68913, 72199, 75582, 76446, 80693, 82212, 83844, 88502, 90117, 90831, 91884, 93708, 101517, 110422, 120156, 121108, 123318, 130169, 132753, 135356, 137826, 144398, 151164, 152892, 161386, 165633, 177004, 180234, 181662, 203034, 216597, 220844, 242079, 246636, 260338, 265506, 272493, 275652, 288796, 304551, 322772, 331266, 360468, 363324, 390507, 398259, 406068, 433194, 484158, 496899, 520676, 531012, 544986, 575263, 609102, 649791, 662532, 726237, 781014, 796518, 866388, 938587, 968316, 993798, 1049009, 1089972, 1150526, 1171521, 1218204, 1299582, 1371781, 1452474, 1562028, 1593036, 1725789, 1877174, 1987596, 2098018, 2301052, 2343042, 2599164, 2743562, 2815761, 2904948, 3147027, 3451578, 3754348, 4115343, 4196036, 4686084, 5177367, 5487124, 5631522, 6294054, 6903156, 8230686, 8447283, 9441081, 10354734, 11263044, 12346029, 12588108, 16461372, 16894566, 17833153, 18882162, 20709468, 24692058, 33789132, 35666306, 37764324, 49384116, 53499459, 71332612, 106998918, 160498377, 213997836, 320996754, 641993508]

約数ペア:

[(1, 641993508), (2, 320996754), (3, 213997836), (4, 160498377), (6, 106998918), (9, 71332612), (12, 53499459), (13, 49384116), (17, 37764324), (18, 35666306), (19, 33789132), (26, 24692058), (31, 20709468), (34, 18882162), (36, 17833153), (38, 16894566), (39, 16461372), (51, 12588108), (52, 12346029), (57, 11263044), (62, 10354734), (68, 9441081), (76, 8447283), (78, 8230686), (93, 6903156), (102, 6294054), (114, 5631522), (117, 5487124), (124, 5177367), (137, 4686084), (153, 4196036), (156, 4115343), (171, 3754348), (186, 3451578), (204, 3147027), (221, 2904948), (228, 2815761), (234, 2743562), (247, 2599164), (274, 2343042), (279, 2301052), (306, 2098018), (323, 1987596), (342, 1877174), (372, 1725789), (403, 1593036), (411, 1562028), (442, 1452474), (468, 1371781), (494, 1299582), (527, 1218204), (548, 1171521), (558, 1150526), (589, 1089972), (612, 1049009), (646, 993798), (663, 968316), (684, 938587), (741, 866388), (806, 796518), (822, 781014), (884, 726237), (969, 662532), (988, 649791), (1054, 609102), (1116, 575263), (1178, 544986), (1209, 531012), (1233, 520676), (1292, 496899), (1326, 484158), (1482, 433194), (1581, 406068), (1612, 398259), (1644, 390507), (1767, 363324), (1781, 360468), (1938, 331266), (1989, 322772), (2108, 304551), (2223, 288796), (2329, 275652), (2356, 272493), (2418, 265506), (2466, 260338), (2603, 246636), (2652, 242079), (2907, 220844), (2964, 216597), (3162, 203034), (3534, 181662), (3562, 180234), (3627, 177004), (3876, 165633), (3978, 161386), (4199, 152892), (4247, 151164), (4446, 144398), (4658, 137826), (4743, 135356), (4836, 132753), (4932, 130169), (5206, 123318), (5301, 121108), (5343, 120156), (5814, 110422), (6324, 101517), (6851, 93708), (6987, 91884), (7068, 90831), (7124, 90117), (7254, 88502), (7657, 83844), (7809, 82212), (7956, 80693), (8398, 76446), (8494, 75582), (8892, 72199), (9316, 68913), (9486, 67678), (10013, 64116), (10412, 61659), (10602, 60554), (10686, 60078), (11628, 55211), (12597, 50964), (12741, 50388), (13702, 46854), (13974, 45942), (14508, 44251), (15314, 41922), (15618, 41106), (16029, 40052), (16796, 38223), (16988, 37791), (18972, 33839), (20026, 32058), (20553, 31236), (20961, 30628), (21204, 30277), (21372, 30039), (22971, 27948), (23427, 27404), (25194, 25482)]