1253943808

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8245

約数の個数: 80

約数和(自身を含む): 2815819776

約数和(自身を除く): 1561875968

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 299, 368, 416, 512, 598, 736, 832, 1196, 1472, 1664, 2392, 2944, 3328, 4784, 5888, 6656, 8191, 9568, 11776, 16382, 19136, 32764, 38272, 65528, 76544, 106483, 131056, 153088, 188393, 212966, 262112, 376786, 425932, 524224, 753572, 851864, 1048448, 1507144, 1703728, 2096896, 2449109, 3014288, 3407456, 4193792, 4898218, 6028576, 6814912, 9796436, 12057152, 13629824, 19592872, 24114304, 27259648, 39185744, 48228608, 54519296, 78371488, 96457216, 156742976, 313485952, 626971904, 1253943808]

約数ペア:

[(1, 1253943808), (2, 626971904), (4, 313485952), (8, 156742976), (13, 96457216), (16, 78371488), (23, 54519296), (26, 48228608), (32, 39185744), (46, 27259648), (52, 24114304), (64, 19592872), (92, 13629824), (104, 12057152), (128, 9796436), (184, 6814912), (208, 6028576), (256, 4898218), (299, 4193792), (368, 3407456), (416, 3014288), (512, 2449109), (598, 2096896), (736, 1703728), (832, 1507144), (1196, 1048448), (1472, 851864), (1664, 753572), (2392, 524224), (2944, 425932), (3328, 376786), (4784, 262112), (5888, 212966), (6656, 188393), (8191, 153088), (9568, 131056), (11776, 106483), (16382, 76544), (19136, 65528), (32764, 38272)]