68121664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2063

約数の個数: 56

約数和(自身を含む): 149202648

約数和(自身を除く): 81080984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 1997, 2132, 2624, 3994, 4264, 7988, 8528, 15976, 17056, 25961, 31952, 34112, 51922, 63904, 81877, 103844, 127808, 163754, 207688, 327508, 415376, 655016, 830752, 1064401, 1310032, 1661504, 2128802, 2620064, 4257604, 5240128, 8515208, 17030416, 34060832, 68121664]

約数ペア:

[(1, 68121664), (2, 34060832), (4, 17030416), (8, 8515208), (13, 5240128), (16, 4257604), (26, 2620064), (32, 2128802), (41, 1661504), (52, 1310032), (64, 1064401), (82, 830752), (104, 655016), (164, 415376), (208, 327508), (328, 207688), (416, 163754), (533, 127808), (656, 103844), (832, 81877), (1066, 63904), (1312, 51922), (1997, 34112), (2132, 31952), (2624, 25961), (3994, 17056), (4264, 15976), (7988, 8528)]