12728755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6317}}^1$

素因数の和:6366

約数の個数: 16

約数和(自身を含む): 16982784

約数和(自身を除く): 4254029

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6317, 31585, 82121, 195827, 410605, 979135, 2545751, 12728755]

約数ペア:

[(1, 12728755), (5, 2545751), (13, 979135), (31, 410605), (65, 195827), (155, 82121), (403, 31585), (2015, 6317)]