51697945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 67737816

約数和(自身を除く): 16039871

約数列:

[1, 5, 13, 65, 169, 193, 317, 845, 965, 1585, 2509, 4121, 12545, 20605, 32617, 53573, 61181, 163085, 267865, 305905, 795353, 3976765, 10339589, 51697945]

約数ペア:

[(1, 51697945), (5, 10339589), (13, 3976765), (65, 795353), (169, 305905), (193, 267865), (317, 163085), (845, 61181), (965, 53573), (1585, 32617), (2509, 20605), (4121, 12545)]