266666712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 752640000

約数和(自身を除く): 485973288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 79, 93, 104, 124, 156, 158, 186, 237, 248, 312, 316, 349, 372, 403, 474, 632, 698, 744, 806, 948, 1027, 1047, 1209, 1396, 1612, 1896, 2054, 2094, 2418, 2449, 2792, 3081, 3224, 4108, 4188, 4537, 4836, 4898, 6162, 7347, 8216, 8376, 9074, 9672, 9796, 10819, 12324, 13611, 14694, 18148, 19592, 21638, 24648, 27222, 27571, 29388, 31837, 32457, 36296, 43276, 54444, 55142, 58776, 63674, 64914, 82713, 86552, 95511, 108888, 110284, 127348, 129828, 140647, 165426, 191022, 220568, 254696, 259656, 281294, 330852, 358423, 382044, 421941, 562588, 661704, 716846, 764088, 843882, 854701, 1075269, 1125176, 1433692, 1687764, 1709402, 2150538, 2564103, 2867384, 3375528, 3418804, 4301076, 5128206, 6837608, 8602152, 10256412, 11111113, 20512824, 22222226, 33333339, 44444452, 66666678, 88888904, 133333356, 266666712]

約数ペア:

[(1, 266666712), (2, 133333356), (3, 88888904), (4, 66666678), (6, 44444452), (8, 33333339), (12, 22222226), (13, 20512824), (24, 11111113), (26, 10256412), (31, 8602152), (39, 6837608), (52, 5128206), (62, 4301076), (78, 3418804), (79, 3375528), (93, 2867384), (104, 2564103), (124, 2150538), (156, 1709402), (158, 1687764), (186, 1433692), (237, 1125176), (248, 1075269), (312, 854701), (316, 843882), (349, 764088), (372, 716846), (403, 661704), (474, 562588), (632, 421941), (698, 382044), (744, 358423), (806, 330852), (948, 281294), (1027, 259656), (1047, 254696), (1209, 220568), (1396, 191022), (1612, 165426), (1896, 140647), (2054, 129828), (2094, 127348), (2418, 110284), (2449, 108888), (2792, 95511), (3081, 86552), (3224, 82713), (4108, 64914), (4188, 63674), (4537, 58776), (4836, 55142), (4898, 54444), (6162, 43276), (7347, 36296), (8216, 32457), (8376, 31837), (9074, 29388), (9672, 27571), (9796, 27222), (10819, 24648), (12324, 21638), (13611, 19592), (14694, 18148)]