4385225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 5957952

約数和(自身を除く): 1572727

約数列:

[1, 5, 13, 25, 65, 103, 131, 325, 515, 655, 1339, 1703, 2575, 3275, 6695, 8515, 13493, 33475, 42575, 67465, 175409, 337325, 877045, 4385225]

約数ペア:

[(1, 4385225), (5, 877045), (13, 337325), (25, 175409), (65, 67465), (103, 42575), (131, 33475), (325, 13493), (515, 8515), (655, 6695), (1339, 3275), (1703, 2575)]