81274730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{189011}}^1$

素因数の和:189061

約数の個数: 16

約数和(自身を含む): 149697504

約数和(自身を除く): 68422774

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 189011, 378022, 945055, 1890110, 8127473, 16254946, 40637365, 81274730]

約数ペア:

[(1, 81274730), (2, 40637365), (5, 16254946), (10, 8127473), (43, 1890110), (86, 945055), (215, 378022), (430, 189011)]