163887964

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{22159}}^1$

素因数の和:22249

約数の個数: 18

約数和(自身を含む): 293642160

約数和(自身を除く): 129754196

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 22159, 44318, 88636, 952837, 1905674, 3811348, 40971991, 81943982, 163887964]

約数ペア:

[(1, 163887964), (2, 81943982), (4, 40971991), (43, 3811348), (86, 1905674), (172, 952837), (1849, 88636), (3698, 44318), (7396, 22159)]