16902905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 21095424

約数和(自身を除く): 4192519

約数列:

[1, 5, 31, 155, 167, 653, 835, 3265, 5177, 20243, 25885, 101215, 109051, 545255, 3380581, 16902905]

約数ペア:

[(1, 16902905), (5, 3380581), (31, 545255), (155, 109051), (167, 101215), (653, 25885), (835, 20243), (3265, 5177)]