64791874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 116453376

約数和(自身を除く): 51661502

約数列:

[1, 2, 7, 14, 23, 46, 161, 311, 322, 622, 647, 1294, 2177, 4354, 4529, 7153, 9058, 14306, 14881, 29762, 50071, 100142, 104167, 201217, 208334, 402434, 1408519, 2817038, 4627991, 9255982, 32395937, 64791874]

約数ペア:

[(1, 64791874), (2, 32395937), (7, 9255982), (14, 4627991), (23, 2817038), (46, 1408519), (161, 402434), (311, 208334), (322, 201217), (622, 104167), (647, 100142), (1294, 50071), (2177, 29762), (4354, 14881), (4529, 14306), (7153, 9058)]