28728215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2467}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 36783072

約数和(自身を除く): 8054857

約数列:

[1, 5, 17, 85, 137, 685, 2329, 2467, 11645, 12335, 41939, 209695, 337979, 1689895, 5745643, 28728215]

約数ペア:

[(1, 28728215), (5, 5745643), (17, 1689895), (85, 337979), (137, 209695), (685, 41939), (2329, 12335), (2467, 11645)]