81013816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{778979}}^1$

素因数の和:778998

約数の個数: 16

約数和(自身を含む): 163585800

約数和(自身を除く): 82571984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 778979, 1557958, 3115916, 6231832, 10126727, 20253454, 40506908, 81013816]

約数ペア:

[(1, 81013816), (2, 40506908), (4, 20253454), (8, 10126727), (13, 6231832), (26, 3115916), (52, 1557958), (104, 778979)]