2256475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 3093552

約数和(自身を除く): 837077

約数列:

[1, 5, 13, 25, 53, 65, 131, 265, 325, 655, 689, 1325, 1703, 3275, 3445, 6943, 8515, 17225, 34715, 42575, 90259, 173575, 451295, 2256475]

約数ペア:

[(1, 2256475), (5, 451295), (13, 173575), (25, 90259), (53, 42575), (65, 34715), (131, 17225), (265, 8515), (325, 6943), (655, 3445), (689, 3275), (1325, 1703)]