78945839

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 91570176

約数和(自身を除く): 12624337

約数列:

[1, 7, 137, 191, 431, 959, 1337, 3017, 26167, 59047, 82321, 183169, 413329, 576247, 11277977, 78945839]

約数ペア:

[(1, 78945839), (7, 11277977), (137, 576247), (191, 413329), (431, 183169), (959, 82321), (1337, 59047), (3017, 26167)]