253825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 374976

約数和(自身を除く): 121151

約数列:

[1, 5, 11, 13, 25, 55, 65, 71, 143, 275, 325, 355, 715, 781, 923, 1775, 3575, 3905, 4615, 10153, 19525, 23075, 50765, 253825]

約数ペア:

[(1, 253825), (5, 50765), (11, 23075), (13, 19525), (25, 10153), (55, 4615), (65, 3905), (71, 3575), (143, 1775), (275, 923), (325, 781), (355, 715)]