205653025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 259487360

約数和(自身を除く): 53834335

約数列:

[1, 5, 25, 109, 163, 463, 545, 815, 2315, 2725, 4075, 11575, 17767, 50467, 75469, 88835, 252335, 377345, 444175, 1261675, 1886725, 8226121, 41130605, 205653025]

約数ペア:

[(1, 205653025), (5, 41130605), (25, 8226121), (109, 1886725), (163, 1261675), (463, 444175), (545, 377345), (815, 252335), (2315, 88835), (2725, 75469), (4075, 50467), (11575, 17767)]