72679984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349423}}^1$

素因数の和:349444

約数の個数: 20

約数和(自身を含む): 151650016

約数和(自身を除く): 78970032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349423, 698846, 1397692, 2795384, 4542499, 5590768, 9084998, 18169996, 36339992, 72679984]

約数ペア:

[(1, 72679984), (2, 36339992), (4, 18169996), (8, 9084998), (13, 5590768), (16, 4542499), (26, 2795384), (52, 1397692), (104, 698846), (208, 349423)]