267521225

素因数分解:

$5^2\times {\mathrm{101}}^2\times {\mathrm{1049}}^1$

素因数の和:1261

約数の個数: 18

約数和(自身を含む): 335362650

約数和(自身を除く): 67841425

約数列:

[1, 5, 25, 101, 505, 1049, 2525, 5245, 10201, 26225, 51005, 105949, 255025, 529745, 2648725, 10700849, 53504245, 267521225]

約数ペア:

[(1, 267521225), (5, 53504245), (25, 10700849), (101, 2648725), (505, 529745), (1049, 255025), (2525, 105949), (5245, 51005), (10201, 26225)]