281643856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1354057}}^1$

素因数の和:1354078

約数の個数: 20

約数和(自身を含む): 587661172

約数和(自身を除く): 306017316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1354057, 2708114, 5416228, 10832456, 17602741, 21664912, 35205482, 70410964, 140821928, 281643856]

約数ペア:

[(1, 281643856), (2, 140821928), (4, 70410964), (8, 35205482), (13, 21664912), (16, 17602741), (26, 10832456), (52, 5416228), (104, 2708114), (208, 1354057)]