89908270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{209089}}^1$

素因数の和:209139

約数の個数: 16

約数和(自身を含む): 165599280

約数和(自身を除く): 75691010

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 209089, 418178, 1045445, 2090890, 8990827, 17981654, 44954135, 89908270]

約数ペア:

[(1, 89908270), (2, 44954135), (5, 17981654), (10, 8990827), (43, 2090890), (86, 1045445), (215, 418178), (430, 209089)]