1440556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{2131}}^1$

素因数の和:2161

約数の個数: 18

約数和(自身を含む): 2731092

約数和(自身を除く): 1290536

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2131, 4262, 8524, 27703, 55406, 110812, 360139, 720278, 1440556]

約数ペア:

[(1, 1440556), (2, 720278), (4, 360139), (13, 110812), (26, 55406), (52, 27703), (169, 8524), (338, 4262), (676, 2131)]