222728051

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{128819}}^1$

素因数の和:128858

約数の個数: 16

約数和(自身を含む): 288556800

約数和(自身を除く): 65828749

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 128819, 901733, 1674647, 2447561, 11722529, 17132927, 31818293, 222728051]

約数ペア:

[(1, 222728051), (7, 31818293), (13, 17132927), (19, 11722529), (91, 2447561), (133, 1674647), (247, 901733), (1729, 128819)]