389906419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{27211}}^1$

素因数の和:27330

約数の個数: 16

約数和(自身を含む): 470223360

約数和(自身を除く): 80316941

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 27211, 190477, 625853, 2421779, 4380971, 16952453, 55700917, 389906419]

約数ペア:

[(1, 389906419), (7, 55700917), (23, 16952453), (89, 4380971), (161, 2421779), (623, 625853), (2047, 190477), (14329, 27211)]