2259725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3202920

約数和(自身を除く): 943195

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 409, 425, 1105, 2045, 5317, 5525, 6953, 10225, 26585, 34765, 90389, 132925, 173825, 451945, 2259725]

約数ペア:

[(1, 2259725), (5, 451945), (13, 173825), (17, 132925), (25, 90389), (65, 34765), (85, 26585), (221, 10225), (325, 6953), (409, 5525), (425, 5317), (1105, 2045)]