64425385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 80216640

約数和(自身を除く): 15791255

約数列:

[1, 5, 29, 145, 643, 691, 3215, 3455, 18647, 20039, 93235, 100195, 444313, 2221565, 12885077, 64425385]

約数ペア:

[(1, 64425385), (5, 12885077), (29, 2221565), (145, 444313), (643, 100195), (691, 93235), (3215, 20039), (3455, 18647)]