998540425

素因数分解:

$5^2\times {\mathrm{313}}^1\times {\mathrm{127609}}^1$

素因数の和:127932

約数の個数: 12

約数和(自身を含む): 1242155740

約数和(自身を除く): 243615315

約数列:

[1, 5, 25, 313, 1565, 7825, 127609, 638045, 3190225, 39941617, 199708085, 998540425]

約数ペア:

[(1, 998540425), (5, 199708085), (25, 39941617), (313, 3190225), (1565, 638045), (7825, 127609)]