90208531

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4993}}^1$

素因数の和:5118

約数の個数: 16

約数和(自身を含む): 107870400

約数和(自身を除く): 17661869

約数列:

[1, 7, 29, 89, 203, 623, 2581, 4993, 18067, 34951, 144797, 444377, 1013579, 3110639, 12886933, 90208531]

約数ペア:

[(1, 90208531), (7, 12886933), (29, 3110639), (89, 1013579), (203, 444377), (623, 144797), (2581, 34951), (4993, 18067)]