855561007

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{639911}}^1$

素因数の和:640109

約数の個数: 8

約数和(自身を含む): 982904832

約数和(自身を除く): 127343825

約数列:

[1, 7, 191, 1337, 639911, 4479377, 122223001, 855561007]

約数ペア:

[(1, 855561007), (7, 122223001), (191, 4479377), (1337, 639911)]