81353915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{1033}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 102986400

約数和(自身を除く): 21632485

約数列:

[1, 5, 19, 95, 829, 1033, 4145, 5165, 15751, 19627, 78755, 98135, 856357, 4281785, 16270783, 81353915]

約数ペア:

[(1, 81353915), (5, 16270783), (19, 4281785), (95, 856357), (829, 98135), (1033, 78755), (4145, 19627), (5165, 15751)]