213221570

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167891}}^1$

素因数の和:168025

約数の個数: 16

約数和(自身を含む): 386823168

約数和(自身を除く): 173601598

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 167891, 335782, 839455, 1678910, 21322157, 42644314, 106610785, 213221570]

約数ペア:

[(1, 213221570), (2, 106610785), (5, 42644314), (10, 21322157), (127, 1678910), (254, 839455), (635, 335782), (1270, 167891)]