26728165

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 34813800

約数和(自身を除く): 8085635

約数列:

[1, 5, 17, 53, 85, 265, 289, 349, 901, 1445, 1745, 4505, 5933, 15317, 18497, 29665, 76585, 92485, 100861, 314449, 504305, 1572245, 5345633, 26728165]

約数ペア:

[(1, 26728165), (5, 5345633), (17, 1572245), (53, 504305), (85, 314449), (265, 100861), (289, 92485), (349, 76585), (901, 29665), (1445, 18497), (1745, 15317), (4505, 5933)]