28136015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2866

約数の個数: 16

約数和(自身を含む): 35640000

約数和(自身を除く): 7503985

約数列:

[1, 5, 23, 89, 115, 445, 2047, 2749, 10235, 13745, 63227, 244661, 316135, 1223305, 5627203, 28136015]

約数ペア:

[(1, 28136015), (5, 5627203), (23, 1223305), (89, 316135), (115, 244661), (445, 63227), (2047, 13745), (2749, 10235)]