81885388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{14717}}^1$

素因数の和:14841

約数の個数: 24

約数和(自身を含む): 155775312

約数和(自身を除く): 73889924

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 14717, 29434, 58868, 191321, 382642, 765284, 1574719, 3149438, 6298876, 20471347, 40942694, 81885388]

約数ペア:

[(1, 81885388), (2, 40942694), (4, 20471347), (13, 6298876), (26, 3149438), (52, 1574719), (107, 765284), (214, 382642), (428, 191321), (1391, 58868), (2782, 29434), (5564, 14717)]