2139025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 3214080

約数和(自身を除く): 1075055

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 719, 2975, 3595, 5033, 12223, 17975, 25165, 61115, 85561, 125825, 305575, 427805, 2139025]

約数ペア:

[(1, 2139025), (5, 427805), (7, 305575), (17, 125825), (25, 85561), (35, 61115), (85, 25165), (119, 17975), (175, 12223), (425, 5033), (595, 3595), (719, 2975)]