646723116

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 216

約数和(自身を含む): 1909899264

約数和(自身を除く): 1263176148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 127, 156, 162, 169, 186, 234, 243, 254, 279, 324, 338, 351, 372, 381, 403, 468, 486, 507, 508, 558, 676, 702, 762, 806, 837, 972, 1014, 1053, 1116, 1143, 1209, 1404, 1521, 1524, 1612, 1651, 1674, 2028, 2106, 2286, 2418, 2511, 3042, 3159, 3302, 3348, 3429, 3627, 3937, 4212, 4563, 4572, 4836, 4953, 5022, 5239, 6084, 6318, 6604, 6858, 7254, 7533, 7874, 9126, 9906, 10044, 10287, 10478, 10881, 11811, 12636, 13689, 13716, 14508, 14859, 15066, 15717, 15748, 18252, 19812, 20574, 20956, 21463, 21762, 23622, 27378, 29718, 30132, 30861, 31434, 32643, 35433, 41067, 41148, 42926, 43524, 44577, 47151, 47244, 51181, 54756, 59436, 61722, 62868, 64389, 65286, 70866, 82134, 85852, 89154, 94302, 97929, 102362, 106299, 123444, 128778, 130572, 133731, 141453, 141732, 153543, 164268, 178308, 188604, 193167, 195858, 204724, 212598, 257556, 267462, 282906, 307086, 318897, 386334, 391716, 401193, 424359, 425196, 460629, 534924, 565812, 579501, 614172, 637794, 665353, 772668, 802386, 848718, 921258, 956691, 1159002, 1273077, 1275588, 1330706, 1381887, 1604772, 1697436, 1738503, 1842516, 1913382, 1996059, 2318004, 2546154, 2661412, 2763774, 3477006, 3826764, 3992118, 4145661, 5092308, 5215509, 5527548, 5988177, 6954012, 7984236, 8291322, 10431018, 11976354, 12436983, 16582644, 17964531, 20862036, 23952708, 24873966, 35929062, 49747932, 53893593, 71858124, 107787186, 161680779, 215574372, 323361558, 646723116]

約数ペア:

[(1, 646723116), (2, 323361558), (3, 215574372), (4, 161680779), (6, 107787186), (9, 71858124), (12, 53893593), (13, 49747932), (18, 35929062), (26, 24873966), (27, 23952708), (31, 20862036), (36, 17964531), (39, 16582644), (52, 12436983), (54, 11976354), (62, 10431018), (78, 8291322), (81, 7984236), (93, 6954012), (108, 5988177), (117, 5527548), (124, 5215509), (127, 5092308), (156, 4145661), (162, 3992118), (169, 3826764), (186, 3477006), (234, 2763774), (243, 2661412), (254, 2546154), (279, 2318004), (324, 1996059), (338, 1913382), (351, 1842516), (372, 1738503), (381, 1697436), (403, 1604772), (468, 1381887), (486, 1330706), (507, 1275588), (508, 1273077), (558, 1159002), (676, 956691), (702, 921258), (762, 848718), (806, 802386), (837, 772668), (972, 665353), (1014, 637794), (1053, 614172), (1116, 579501), (1143, 565812), (1209, 534924), (1404, 460629), (1521, 425196), (1524, 424359), (1612, 401193), (1651, 391716), (1674, 386334), (2028, 318897), (2106, 307086), (2286, 282906), (2418, 267462), (2511, 257556), (3042, 212598), (3159, 204724), (3302, 195858), (3348, 193167), (3429, 188604), (3627, 178308), (3937, 164268), (4212, 153543), (4563, 141732), (4572, 141453), (4836, 133731), (4953, 130572), (5022, 128778), (5239, 123444), (6084, 106299), (6318, 102362), (6604, 97929), (6858, 94302), (7254, 89154), (7533, 85852), (7874, 82134), (9126, 70866), (9906, 65286), (10044, 64389), (10287, 62868), (10478, 61722), (10881, 59436), (11811, 54756), (12636, 51181), (13689, 47244), (13716, 47151), (14508, 44577), (14859, 43524), (15066, 42926), (15717, 41148), (15748, 41067), (18252, 35433), (19812, 32643), (20574, 31434), (20956, 30861), (21463, 30132), (21762, 29718), (23622, 27378)]