16405355

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 20715264

約数和(自身を除く): 4309909

約数列:

[1, 5, 31, 53, 155, 265, 1643, 1997, 8215, 9985, 61907, 105841, 309535, 529205, 3281071, 16405355]

約数ペア:

[(1, 16405355), (5, 3281071), (31, 529205), (53, 309535), (155, 105841), (265, 61907), (1643, 9985), (1997, 8215)]