81878089

素因数分解:

${\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 85800960

約数和(自身を除く): 3922871

約数列:

[1, 47, 83, 139, 151, 3901, 6533, 7097, 11537, 12533, 20989, 542239, 589051, 986483, 1742087, 81878089]

約数ペア:

[(1, 81878089), (47, 1742087), (83, 986483), (139, 589051), (151, 542239), (3901, 20989), (6533, 12533), (7097, 11537)]