6420005725

素因数分解:

$5^2\times 7^2\times {\mathrm{5240821}}^1$

素因数の和:5240845

約数の個数: 18

約数和(自身を含む): 9260532474

約数和(自身を除く): 2840526749

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 5240821, 26204105, 36685747, 131020525, 183428735, 256800229, 917143675, 1284001145, 6420005725]

約数ペア:

[(1, 6420005725), (5, 1284001145), (7, 917143675), (25, 256800229), (35, 183428735), (49, 131020525), (175, 36685747), (245, 26204105), (1225, 5240821)]