81364772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{1129}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 146176800

約数和(自身を除く): 64812028

約数列:

[1, 2, 4, 43, 86, 172, 419, 838, 1129, 1676, 2258, 4516, 18017, 36034, 48547, 72068, 97094, 194188, 473051, 946102, 1892204, 20341193, 40682386, 81364772]

約数ペア:

[(1, 81364772), (2, 40682386), (4, 20341193), (43, 1892204), (86, 946102), (172, 473051), (419, 194188), (838, 97094), (1129, 72068), (1676, 48547), (2258, 36034), (4516, 18017)]