2015019968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{9649}}^1$

素因数の和:9925

約数の個数: 56

約数和(自身を含む): 4323740400

約数和(自身を除く): 2308720432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 251, 416, 502, 832, 1004, 2008, 3263, 4016, 6526, 8032, 9649, 13052, 16064, 19298, 26104, 38596, 52208, 77192, 104416, 125437, 154384, 208832, 250874, 308768, 501748, 617536, 1003496, 2006992, 2421899, 4013984, 4843798, 8027968, 9687596, 19375192, 31484687, 38750384, 62969374, 77500768, 125938748, 155001536, 251877496, 503754992, 1007509984, 2015019968]

約数ペア:

[(1, 2015019968), (2, 1007509984), (4, 503754992), (8, 251877496), (13, 155001536), (16, 125938748), (26, 77500768), (32, 62969374), (52, 38750384), (64, 31484687), (104, 19375192), (208, 9687596), (251, 8027968), (416, 4843798), (502, 4013984), (832, 2421899), (1004, 2006992), (2008, 1003496), (3263, 617536), (4016, 501748), (6526, 308768), (8032, 250874), (9649, 208832), (13052, 154384), (16064, 125437), (19298, 104416), (26104, 77192), (38596, 52208)]