28700932

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42457}}^1$

素因数の和:42487

約数の個数: 18

約数和(自身を含む): 54388698

約数和(自身を除く): 25687766

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42457, 84914, 169828, 551941, 1103882, 2207764, 7175233, 14350466, 28700932]

約数ペア:

[(1, 28700932), (2, 14350466), (4, 7175233), (13, 2207764), (26, 1103882), (52, 551941), (169, 169828), (338, 84914), (676, 42457)]