64216256

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 56

約数和(自身を含む): 139110720

約数和(自身を除く): 74894464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 316, 416, 632, 832, 977, 1027, 1264, 1954, 2054, 2528, 3908, 4108, 5056, 7816, 8216, 12701, 15632, 16432, 25402, 31264, 32864, 50804, 62528, 65728, 77183, 101608, 154366, 203216, 308732, 406432, 617464, 812864, 1003379, 1234928, 2006758, 2469856, 4013516, 4939712, 8027032, 16054064, 32108128, 64216256]

約数ペア:

[(1, 64216256), (2, 32108128), (4, 16054064), (8, 8027032), (13, 4939712), (16, 4013516), (26, 2469856), (32, 2006758), (52, 1234928), (64, 1003379), (79, 812864), (104, 617464), (158, 406432), (208, 308732), (316, 203216), (416, 154366), (632, 101608), (832, 77183), (977, 65728), (1027, 62528), (1264, 50804), (1954, 32864), (2054, 31264), (2528, 25402), (3908, 16432), (4108, 15632), (5056, 12701), (7816, 8216)]