85784570

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199499}}^1$

素因数の和:199549

約数の個数: 16

約数和(自身を含む): 158004000

約数和(自身を除く): 72219430

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 199499, 398998, 997495, 1994990, 8578457, 17156914, 42892285, 85784570]

約数ペア:

[(1, 85784570), (2, 42892285), (5, 17156914), (10, 8578457), (43, 1994990), (86, 997495), (215, 398998), (430, 199499)]