85407890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{198623}}^1$

素因数の和:198673

約数の個数: 16

約数和(自身を含む): 157310208

約数和(自身を除く): 71902318

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 198623, 397246, 993115, 1986230, 8540789, 17081578, 42703945, 85407890]

約数ペア:

[(1, 85407890), (2, 42703945), (5, 17081578), (10, 8540789), (43, 1986230), (86, 993115), (215, 397246), (430, 198623)]