81726548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{3631}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 151933824

約数和(自身を除く): 70207276

約数列:

[1, 2, 4, 17, 34, 68, 331, 662, 1324, 3631, 5627, 7262, 11254, 14524, 22508, 61727, 123454, 246908, 1201861, 2403722, 4807444, 20431637, 40863274, 81726548]

約数ペア:

[(1, 81726548), (2, 40863274), (4, 20431637), (17, 4807444), (34, 2403722), (68, 1201861), (331, 246908), (662, 123454), (1324, 61727), (3631, 22508), (5627, 14524), (7262, 11254)]