128512885

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{2699}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 157464000

約数和(自身を除く): 28951115

約数列:

[1, 5, 89, 107, 445, 535, 2699, 9523, 13495, 47615, 240211, 288793, 1201055, 1443965, 25702577, 128512885]

約数ペア:

[(1, 128512885), (5, 25702577), (89, 1443965), (107, 1201055), (445, 288793), (535, 240211), (2699, 47615), (9523, 13495)]