28575215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6343}}^1$

素因数の和:6418

約数の個数: 16

約数和(自身を含む): 36998208

約数和(自身を除く): 8422993

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 6343, 31715, 107831, 336179, 539155, 1680895, 5715043, 28575215]

約数ペア:

[(1, 28575215), (5, 5715043), (17, 1680895), (53, 539155), (85, 336179), (265, 107831), (901, 31715), (4505, 6343)]