64398815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{4111}}^1$

素因数の和:4370

約数の個数: 16

約数和(自身を含む): 83588736

約数和(自身を除く): 19189921

約数列:

[1, 5, 13, 65, 241, 1205, 3133, 4111, 15665, 20555, 53443, 267215, 990751, 4953755, 12879763, 64398815]

約数ペア:

[(1, 64398815), (5, 12879763), (13, 4953755), (65, 990751), (241, 267215), (1205, 53443), (3133, 20555), (4111, 15665)]