221617687789

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8313677}}^1$

素因数の和:8313780

約数の個数: 16

約数和(自身を含む): 247415057280

約数和(自身を除く): 25797369491

約数列:

[1, 19, 23, 61, 437, 1159, 1403, 26657, 8313677, 157959863, 191214571, 507134297, 3633076849, 9635551643, 11664088831, 221617687789]

約数ペア:

[(1, 221617687789), (19, 11664088831), (23, 9635551643), (61, 3633076849), (437, 507134297), (1159, 191214571), (1403, 157959863), (26657, 8313677)]