81607988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{264961}}^1$

素因数の和:264983

約数の個数: 24

約数和(自身を含む): 178054464

約数和(自身を除く): 96446476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 264961, 529922, 1059844, 1854727, 2914571, 3709454, 5829142, 7418908, 11658284, 20401997, 40803994, 81607988]

約数ペア:

[(1, 81607988), (2, 40803994), (4, 20401997), (7, 11658284), (11, 7418908), (14, 5829142), (22, 3709454), (28, 2914571), (44, 1854727), (77, 1059844), (154, 529922), (308, 264961)]