81457555

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{2063}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 100310400

約数和(自身を除く): 18852845

約数列:

[1, 5, 53, 149, 265, 745, 2063, 7897, 10315, 39485, 109339, 307387, 546695, 1536935, 16291511, 81457555]

約数ペア:

[(1, 81457555), (5, 16291511), (53, 1536935), (149, 546695), (265, 307387), (745, 109339), (2063, 39485), (7897, 10315)]