131860016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{191657}}^1$

素因数の和:191708

約数の個数: 20

約数和(自身を含む): 261421512

約数和(自身を除く): 129561496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 191657, 383314, 766628, 1533256, 3066512, 8241251, 16482502, 32965004, 65930008, 131860016]

約数ペア:

[(1, 131860016), (2, 65930008), (4, 32965004), (8, 16482502), (16, 8241251), (43, 3066512), (86, 1533256), (172, 766628), (344, 383314), (688, 191657)]