399824256

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 1180437840

約数和(自身を除く): 780613584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 101, 104, 122, 128, 156, 169, 183, 192, 202, 208, 244, 303, 312, 338, 366, 384, 404, 416, 488, 507, 606, 624, 676, 732, 793, 808, 832, 976, 1014, 1212, 1248, 1313, 1352, 1464, 1586, 1616, 1664, 1952, 2028, 2379, 2424, 2496, 2626, 2704, 2928, 3172, 3232, 3904, 3939, 4056, 4758, 4848, 4992, 5252, 5408, 5856, 6161, 6344, 6464, 7808, 7878, 8112, 9516, 9696, 10309, 10504, 10816, 11712, 12322, 12688, 12928, 15756, 16224, 17069, 18483, 19032, 19392, 20618, 21008, 21632, 23424, 24644, 25376, 30927, 31512, 32448, 34138, 36966, 38064, 38784, 41236, 42016, 49288, 50752, 51207, 61854, 63024, 64896, 68276, 73932, 76128, 80093, 82472, 84032, 98576, 101504, 102414, 123708, 126048, 136552, 147864, 152256, 160186, 164944, 168064, 197152, 204828, 240279, 247416, 252096, 273104, 295728, 304512, 320372, 329888, 394304, 409656, 480558, 494832, 504192, 546208, 591456, 640744, 659776, 788608, 819312, 961116, 989664, 1041209, 1092416, 1182912, 1281488, 1319552, 1638624, 1922232, 1979328, 2082418, 2184832, 2365824, 2562976, 3123627, 3277248, 3844464, 3958656, 4164836, 5125952, 6247254, 6554496, 7688928, 8329672, 10251904, 12494508, 15377856, 16659344, 24989016, 30755712, 33318688, 49978032, 66637376, 99956064, 133274752, 199912128, 399824256]

約数ペア:

[(1, 399824256), (2, 199912128), (3, 133274752), (4, 99956064), (6, 66637376), (8, 49978032), (12, 33318688), (13, 30755712), (16, 24989016), (24, 16659344), (26, 15377856), (32, 12494508), (39, 10251904), (48, 8329672), (52, 7688928), (61, 6554496), (64, 6247254), (78, 5125952), (96, 4164836), (101, 3958656), (104, 3844464), (122, 3277248), (128, 3123627), (156, 2562976), (169, 2365824), (183, 2184832), (192, 2082418), (202, 1979328), (208, 1922232), (244, 1638624), (303, 1319552), (312, 1281488), (338, 1182912), (366, 1092416), (384, 1041209), (404, 989664), (416, 961116), (488, 819312), (507, 788608), (606, 659776), (624, 640744), (676, 591456), (732, 546208), (793, 504192), (808, 494832), (832, 480558), (976, 409656), (1014, 394304), (1212, 329888), (1248, 320372), (1313, 304512), (1352, 295728), (1464, 273104), (1586, 252096), (1616, 247416), (1664, 240279), (1952, 204828), (2028, 197152), (2379, 168064), (2424, 164944), (2496, 160186), (2626, 152256), (2704, 147864), (2928, 136552), (3172, 126048), (3232, 123708), (3904, 102414), (3939, 101504), (4056, 98576), (4758, 84032), (4848, 82472), (4992, 80093), (5252, 76128), (5408, 73932), (5856, 68276), (6161, 64896), (6344, 63024), (6464, 61854), (7808, 51207), (7878, 50752), (8112, 49288), (9516, 42016), (9696, 41236), (10309, 38784), (10504, 38064), (10816, 36966), (11712, 34138), (12322, 32448), (12688, 31512), (12928, 30927), (15756, 25376), (16224, 24644), (17069, 23424), (18483, 21632), (19032, 21008), (19392, 20618)]