31481569678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{172213}}^1$

素因数の和:172396

約数の個数: 32

約数和(自身を含む): 52077513600

約数和(自身を除く): 20595943922

約数列:

[1, 2, 13, 26, 79, 89, 158, 178, 1027, 1157, 2054, 2314, 7031, 14062, 91403, 172213, 182806, 344426, 2238769, 4477538, 13604827, 15326957, 27209654, 30653914, 176862751, 199250441, 353725502, 398500882, 1210829603, 2421659206, 15740784839, 31481569678]

約数ペア:

[(1, 31481569678), (2, 15740784839), (13, 2421659206), (26, 1210829603), (79, 398500882), (89, 353725502), (158, 199250441), (178, 176862751), (1027, 30653914), (1157, 27209654), (2054, 15326957), (2314, 13604827), (7031, 4477538), (14062, 2238769), (91403, 344426), (172213, 182806)]