28250885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 37332000

約数和(自身を除く): 9081115

約数列:

[1, 5, 13, 65, 67, 169, 335, 499, 845, 871, 2495, 4355, 6487, 11323, 32435, 33433, 56615, 84331, 167165, 421655, 434629, 2173145, 5650177, 28250885]

約数ペア:

[(1, 28250885), (5, 5650177), (13, 2173145), (65, 434629), (67, 421655), (169, 167165), (335, 84331), (499, 56615), (845, 33433), (871, 32435), (2495, 11323), (4355, 6487)]