39556985

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 20

約数和(自身を含む): 51609588

約数和(自身を除く): 12052603

約数列:

[1, 5, 13, 65, 169, 277, 845, 1385, 2197, 3601, 10985, 18005, 28561, 46813, 142805, 234065, 608569, 3042845, 7911397, 39556985]

約数ペア:

[(1, 39556985), (5, 7911397), (13, 3042845), (65, 608569), (169, 234065), (277, 142805), (845, 46813), (1385, 28561), (2197, 18005), (3601, 10985)]