51331930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394861}}^1$

素因数の和:394881

約数の個数: 16

約数和(自身を含む): 99505224

約数和(自身を除く): 48173294

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 394861, 789722, 1974305, 3948610, 5133193, 10266386, 25665965, 51331930]

約数ペア:

[(1, 51331930), (2, 25665965), (5, 10266386), (10, 5133193), (13, 3948610), (26, 1974305), (65, 789722), (130, 394861)]