81354390935

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1\times {\mathrm{1039}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 99177661440

約数和(自身を除く): 17823270505

約数列:

[1, 5, 131, 173, 655, 691, 865, 1039, 3455, 5195, 22663, 90521, 113315, 119543, 136109, 179747, 452605, 597715, 680545, 717949, 898735, 3589745, 15660133, 23546857, 78300665, 94051319, 117734285, 124205177, 470256595, 621025885, 16270878187, 81354390935]

約数ペア:

[(1, 81354390935), (5, 16270878187), (131, 621025885), (173, 470256595), (655, 124205177), (691, 117734285), (865, 94051319), (1039, 78300665), (3455, 23546857), (5195, 15660133), (22663, 3589745), (90521, 898735), (113315, 717949), (119543, 680545), (136109, 597715), (179747, 452605)]