257661754

素因数分解:

$2^1\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{15427}}^1$

素因数の和:16629

約数の個数: 16

約数和(自身を含む): 442104768

約数和(自身を除く): 184443014

約数列:

[1, 2, 7, 14, 1193, 2386, 8351, 15427, 16702, 30854, 107989, 215978, 18404411, 36808822, 128830877, 257661754]

約数ペア:

[(1, 257661754), (2, 128830877), (7, 36808822), (14, 18404411), (1193, 215978), (2386, 107989), (8351, 30854), (15427, 16702)]