128905855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{33613}}^1$

素因数の和:33690

約数の個数: 16

約数和(自身を含む): 169414560

約数和(自身を除く): 40508705

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 33613, 168065, 436969, 1983167, 2184845, 9915835, 25781171, 128905855]

約数ペア:

[(1, 128905855), (5, 25781171), (13, 9915835), (59, 2184845), (65, 1983167), (295, 436969), (767, 168065), (3835, 33613)]