198441025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{193601}}^1$

素因数の和:193652

約数の個数: 12

約数和(自身を含む): 252069804

約数和(自身を除く): 53628779

約数列:

[1, 5, 25, 41, 205, 1025, 193601, 968005, 4840025, 7937641, 39688205, 198441025]

約数ペア:

[(1, 198441025), (5, 39688205), (25, 7937641), (41, 4840025), (205, 968005), (1025, 193601)]