81027736

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 154548000

約数和(自身を除く): 73520264

約数列:

[1, 2, 4, 8, 89, 178, 317, 356, 359, 634, 712, 718, 1268, 1436, 2536, 2872, 28213, 31951, 56426, 63902, 112852, 113803, 127804, 225704, 227606, 255608, 455212, 910424, 10128467, 20256934, 40513868, 81027736]

約数ペア:

[(1, 81027736), (2, 40513868), (4, 20256934), (8, 10128467), (89, 910424), (178, 455212), (317, 255608), (356, 227606), (359, 225704), (634, 127804), (712, 113803), (718, 112852), (1268, 63902), (1436, 56426), (2536, 31951), (2872, 28213)]