4901225

素因数分解:

$5^2\times 7^2\times {\mathrm{4001}}^1$

素因数の和:4025

約数の個数: 18

約数和(自身を含む): 7071534

約数和(自身を除く): 2170309

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 4001, 20005, 28007, 100025, 140035, 196049, 700175, 980245, 4901225]

約数ペア:

[(1, 4901225), (5, 980245), (7, 700175), (25, 196049), (35, 140035), (49, 100025), (175, 28007), (245, 20005), (1225, 4001)]