28461475

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1579}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 40751360

約数和(自身を除く): 12289885

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 1579, 2575, 3605, 7895, 11053, 18025, 39475, 55265, 162637, 276325, 813185, 1138459, 4065925, 5692295, 28461475]

約数ペア:

[(1, 28461475), (5, 5692295), (7, 4065925), (25, 1138459), (35, 813185), (103, 276325), (175, 162637), (515, 55265), (721, 39475), (1579, 18025), (2575, 11053), (3605, 7895)]