81287466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1871}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 175488768

約数和(自身を除く): 94201302

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 557, 1114, 1671, 1871, 3342, 3742, 5613, 7241, 11226, 14482, 21723, 24323, 43446, 48646, 72969, 145938, 1042147, 2084294, 3126441, 6252882, 13547911, 27095822, 40643733, 81287466]

約数ペア:

[(1, 81287466), (2, 40643733), (3, 27095822), (6, 13547911), (13, 6252882), (26, 3126441), (39, 2084294), (78, 1042147), (557, 145938), (1114, 72969), (1671, 48646), (1871, 43446), (3342, 24323), (3742, 21723), (5613, 14482), (7241, 11226)]