81126838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 134184960

約数和(自身を除く): 53058122

約数列:

[1, 2, 13, 26, 79, 127, 158, 254, 311, 622, 1027, 1651, 2054, 3302, 4043, 8086, 10033, 20066, 24569, 39497, 49138, 78994, 130429, 260858, 319397, 513461, 638794, 1026922, 3120263, 6240526, 40563419, 81126838]

約数ペア:

[(1, 81126838), (2, 40563419), (13, 6240526), (26, 3120263), (79, 1026922), (127, 638794), (158, 513461), (254, 319397), (311, 260858), (622, 130429), (1027, 78994), (1651, 49138), (2054, 39497), (3302, 24569), (4043, 20066), (8086, 10033)]