221241937

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{518131}}^1$

素因数の和:518199

約数の個数: 8

約数和(自身を含む): 256993472

約数和(自身を除く): 35751535

約数列:

[1, 7, 61, 427, 518131, 3626917, 31605991, 221241937]

約数ペア:

[(1, 221241937), (7, 31605991), (61, 3626917), (427, 518131)]