79721365

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 96949440

約数和(自身を除く): 17228075

約数列:

[1, 5, 139, 251, 457, 695, 1255, 2285, 34889, 63523, 114707, 174445, 317615, 573535, 15944273, 79721365]

約数ペア:

[(1, 79721365), (5, 15944273), (139, 573535), (251, 317615), (457, 174445), (695, 114707), (1255, 63523), (2285, 34889)]