161872894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{69833}}^1$

素因数の和:69915

約数の個数: 16

約数和(自身を含む): 259782480

約数和(自身を除く): 97909586

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 69833, 139666, 1326827, 2653654, 4259813, 8519626, 80936447, 161872894]

約数ペア:

[(1, 161872894), (2, 80936447), (19, 8519626), (38, 4259813), (61, 2653654), (122, 1326827), (1159, 139666), (2318, 69833)]