81939996

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{5281}}^1$

素因数の和:5722

約数の個数: 36

約数和(自身を含む): 207645984

約数和(自身を除く): 125705988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1724, 2586, 3879, 5172, 5281, 7758, 10562, 15516, 15843, 21124, 31686, 47529, 63372, 95058, 190116, 2276111, 4552222, 6828333, 9104444, 13656666, 20484999, 27313332, 40969998, 81939996]

約数ペア:

[(1, 81939996), (2, 40969998), (3, 27313332), (4, 20484999), (6, 13656666), (9, 9104444), (12, 6828333), (18, 4552222), (36, 2276111), (431, 190116), (862, 95058), (1293, 63372), (1724, 47529), (2586, 31686), (3879, 21124), (5172, 15843), (5281, 15516), (7758, 10562)]