51471815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 67184640

約数和(自身を除く): 15712825

約数列:

[1, 5, 23, 47, 89, 107, 115, 235, 445, 535, 1081, 2047, 2461, 4183, 5029, 5405, 9523, 10235, 12305, 20915, 25145, 47615, 96209, 115667, 219029, 447581, 481045, 578335, 1095145, 2237905, 10294363, 51471815]

約数ペア:

[(1, 51471815), (5, 10294363), (23, 2237905), (47, 1095145), (89, 578335), (107, 481045), (115, 447581), (235, 219029), (445, 115667), (535, 96209), (1081, 47615), (2047, 25145), (2461, 20915), (4183, 12305), (5029, 10235), (5405, 9523)]