28477825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8350175

約数列:

[1, 5, 25, 43, 59, 215, 295, 449, 1075, 1475, 2245, 2537, 11225, 12685, 19307, 26491, 63425, 96535, 132455, 482675, 662275, 1139113, 5695565, 28477825]

約数ペア:

[(1, 28477825), (5, 5695565), (25, 1139113), (43, 662275), (59, 482675), (215, 132455), (295, 96535), (449, 63425), (1075, 26491), (1475, 19307), (2245, 12685), (2537, 11225)]