210957812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{10429}}^1$

素因数の和:10835

約数の個数: 24

約数和(自身を含む): 398634600

約数和(自身を除く): 187676788

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 5057, 10114, 10429, 20228, 20858, 41716, 135577, 271154, 542308, 4056881, 8113762, 16227524, 52739453, 105478906, 210957812]

約数ペア:

[(1, 210957812), (2, 105478906), (4, 52739453), (13, 16227524), (26, 8113762), (52, 4056881), (389, 542308), (778, 271154), (1556, 135577), (5057, 41716), (10114, 20858), (10429, 20228)]