28065215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4523}}^1$

素因数の和:4618

約数の個数: 16

約数和(自身を含む): 36155808

約数和(自身を除く): 8090593

約数列:

[1, 5, 17, 73, 85, 365, 1241, 4523, 6205, 22615, 76891, 330179, 384455, 1650895, 5613043, 28065215]

約数ペア:

[(1, 28065215), (5, 5613043), (17, 1650895), (73, 384455), (85, 330179), (365, 76891), (1241, 22615), (4523, 6205)]