64172735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{7727}}^1$

素因数の和:7894

約数の個数: 16

約数和(自身を含む): 84575232

約数和(自身を除く): 20402497

約数列:

[1, 5, 11, 55, 151, 755, 1661, 7727, 8305, 38635, 84997, 424985, 1166777, 5833885, 12834547, 64172735]

約数ペア:

[(1, 64172735), (5, 12834547), (11, 5833885), (55, 1166777), (151, 424985), (755, 84997), (1661, 38635), (7727, 8305)]