7751425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 10660032

約数和(自身を除く): 2908607

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 397, 781, 1775, 1985, 3905, 4367, 9925, 19525, 21835, 28187, 109175, 140935, 310057, 704675, 1550285, 7751425]

約数ペア:

[(1, 7751425), (5, 1550285), (11, 704675), (25, 310057), (55, 140935), (71, 109175), (275, 28187), (355, 21835), (397, 19525), (781, 9925), (1775, 4367), (1985, 3905)]