25165831

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:171

約数の個数: 18

約数和(自身を含む): 28126112

約数和(自身を除く): 2960281

約数列:

[1, 17, 31, 53, 289, 527, 901, 1643, 2809, 8959, 15317, 27931, 47753, 87079, 474827, 811801, 1480343, 25165831]

約数ペア:

[(1, 25165831), (17, 1480343), (31, 811801), (53, 474827), (289, 87079), (527, 47753), (901, 27931), (1643, 15317), (2809, 8959)]