197823925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3877}}^1$

素因数の和:4057

約数の個数: 24

約数和(自身を含む): 265922216

約数和(自身を除く): 68098291

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 2041, 3877, 3925, 10205, 19385, 50401, 51025, 96925, 252005, 608689, 1260025, 3043445, 7912957, 15217225, 39564785, 197823925]

約数ペア:

[(1, 197823925), (5, 39564785), (13, 15217225), (25, 7912957), (65, 3043445), (157, 1260025), (325, 608689), (785, 252005), (2041, 96925), (3877, 51025), (3925, 50401), (10205, 19385)]