12638225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 16793568

約数和(自身を除く): 4155343

約数列:

[1, 5, 17, 25, 85, 131, 227, 425, 655, 1135, 2227, 3275, 3859, 5675, 11135, 19295, 29737, 55675, 96475, 148685, 505529, 743425, 2527645, 12638225]

約数ペア:

[(1, 12638225), (5, 2527645), (17, 743425), (25, 505529), (85, 148685), (131, 96475), (227, 55675), (425, 29737), (655, 19295), (1135, 11135), (2227, 5675), (3275, 3859)]