28504475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 37363680

約数和(自身を除く): 8859205

約数列:

[1, 5, 23, 25, 89, 115, 445, 557, 575, 2047, 2225, 2785, 10235, 12811, 13925, 49573, 51175, 64055, 247865, 320275, 1140179, 1239325, 5700895, 28504475]

約数ペア:

[(1, 28504475), (5, 5700895), (23, 1239325), (25, 1140179), (89, 320275), (115, 247865), (445, 64055), (557, 51175), (575, 49573), (2047, 13925), (2225, 12811), (2785, 10235)]