82848025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19609}}^1$

素因数の和:19645

約数の個数: 18

約数和(自身を含む): 111247530

約数和(自身を除く): 28399505

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 19609, 98045, 254917, 490225, 1274585, 3313921, 6372925, 16569605, 82848025]

約数ペア:

[(1, 82848025), (5, 16569605), (13, 6372925), (25, 3313921), (65, 1274585), (169, 490225), (325, 254917), (845, 98045), (4225, 19609)]