51815530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398581}}^1$

素因数の和:398601

約数の個数: 16

約数和(自身を含む): 100442664

約数和(自身を除く): 48627134

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 398581, 797162, 1992905, 3985810, 5181553, 10363106, 25907765, 51815530]

約数ペア:

[(1, 51815530), (2, 25907765), (5, 10363106), (10, 5181553), (13, 3985810), (26, 1992905), (65, 797162), (130, 398581)]