155115790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{118409}}^1$

素因数の和:118547

約数の個数: 16

約数和(自身を含む): 281342160

約数和(自身を除く): 126226370

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 118409, 236818, 592045, 1184090, 15511579, 31023158, 77557895, 155115790]

約数ペア:

[(1, 155115790), (2, 77557895), (5, 31023158), (10, 15511579), (131, 1184090), (262, 592045), (655, 236818), (1310, 118409)]