25873225

素因数分解:

$5^2\times 7^2\times {\mathrm{21121}}^1$

素因数の和:21145

約数の個数: 18

約数和(自身を含む): 37322574

約数和(自身を除く): 11449349

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 21121, 105605, 147847, 528025, 739235, 1034929, 3696175, 5174645, 25873225]

約数ペア:

[(1, 25873225), (5, 5174645), (7, 3696175), (25, 1034929), (35, 739235), (49, 528025), (175, 147847), (245, 105605), (1225, 21121)]