78745457

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 91603200

約数和(自身を除く): 12857743

約数列:

[1, 7, 103, 149, 721, 733, 1043, 5131, 15347, 75499, 107429, 109217, 528493, 764519, 11249351, 78745457]

約数ペア:

[(1, 78745457), (7, 11249351), (103, 764519), (149, 528493), (721, 109217), (733, 107429), (1043, 75499), (5131, 15347)]