919914191

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{647371}}^1$

素因数の和:647414

約数の個数: 12

約数和(自身を含む): 1107006120

約数和(自身を除く): 187091929

約数列:

[1, 7, 29, 49, 203, 1421, 647371, 4531597, 18773759, 31721179, 131416313, 919914191]

約数ペア:

[(1, 919914191), (7, 131416313), (29, 31721179), (49, 18773759), (203, 4531597), (1421, 647371)]