8971417

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 11112192

約数和(自身を除く): 2140775

約数列:

[1, 7, 13, 91, 311, 317, 2177, 2219, 4043, 4121, 28301, 28847, 98587, 690109, 1281631, 8971417]

約数ペア:

[(1, 8971417), (7, 1281631), (13, 690109), (91, 98587), (311, 28847), (317, 28301), (2177, 4121), (2219, 4043)]