78147395

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 95087520

約数和(自身を除く): 16940125

約数列:

[1, 5, 131, 229, 521, 655, 1145, 2605, 29999, 68251, 119309, 149995, 341255, 596545, 15629479, 78147395]

約数ペア:

[(1, 78147395), (5, 15629479), (131, 596545), (229, 341255), (521, 149995), (655, 119309), (1145, 68251), (2605, 29999)]