90021407

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{691}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 106025472

約数和(自身を除く): 16004065

約数列:

[1, 7, 37, 259, 503, 691, 3521, 4837, 18611, 25567, 130277, 178969, 347573, 2433011, 12860201, 90021407]

約数ペア:

[(1, 90021407), (7, 12860201), (37, 2433011), (259, 347573), (503, 178969), (691, 130277), (3521, 25567), (4837, 18611)]