16172855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 20195328

約数和(自身を除く): 4022473

約数列:

[1, 5, 31, 151, 155, 691, 755, 3455, 4681, 21421, 23405, 104341, 107105, 521705, 3234571, 16172855]

約数ペア:

[(1, 16172855), (5, 3234571), (31, 521705), (151, 107105), (155, 104341), (691, 23405), (755, 21421), (3455, 4681)]