1322425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 18

約数和(自身を含む): 1781322

約数和(自身を除く): 458897

約数列:

[1, 5, 13, 25, 65, 169, 313, 325, 845, 1565, 4069, 4225, 7825, 20345, 52897, 101725, 264485, 1322425]

約数ペア:

[(1, 1322425), (5, 264485), (13, 101725), (25, 52897), (65, 20345), (169, 7825), (313, 4225), (325, 4069), (845, 1565)]