990910804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19055977}}^1$

素因数の和:19055994

約数の個数: 12

約数和(自身を含む): 1867485844

約数和(自身を除く): 876575040

約数列:

[1, 2, 4, 13, 26, 52, 19055977, 38111954, 76223908, 247727701, 495455402, 990910804]

約数ペア:

[(1, 990910804), (2, 495455402), (4, 247727701), (13, 76223908), (26, 38111954), (52, 19055977)]