11397725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 14880000

約数和(自身を除く): 3482275

約数列:

[1, 5, 25, 29, 79, 145, 199, 395, 725, 995, 1975, 2291, 4975, 5771, 11455, 15721, 28855, 57275, 78605, 144275, 393025, 455909, 2279545, 11397725]

約数ペア:

[(1, 11397725), (5, 2279545), (25, 455909), (29, 393025), (79, 144275), (145, 78605), (199, 57275), (395, 28855), (725, 15721), (995, 11455), (1975, 5771), (2291, 4975)]