8157745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 10549440

約数和(自身を除く): 2391695

約数列:

[1, 5, 19, 43, 95, 215, 817, 1997, 4085, 9985, 37943, 85871, 189715, 429355, 1631549, 8157745]

約数ペア:

[(1, 8157745), (5, 1631549), (19, 429355), (43, 189715), (95, 85871), (215, 37943), (817, 9985), (1997, 4085)]