9100090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21163}}^1$

素因数の和:21213

約数の個数: 16

約数和(自身を含む): 16761888

約数和(自身を除く): 7661798

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 21163, 42326, 105815, 211630, 910009, 1820018, 4550045, 9100090]

約数ペア:

[(1, 9100090), (2, 4550045), (5, 1820018), (10, 910009), (43, 211630), (86, 105815), (215, 42326), (430, 21163)]