890390158

素因数分解:

$2^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{61687}}^1$

素因数の和:62727

約数の個数: 16

約数和(自身を含む): 1527888384

約数和(自身を除く): 637498226

約数列:

[1, 2, 7, 14, 1031, 2062, 7217, 14434, 61687, 123374, 431809, 863618, 63599297, 127198594, 445195079, 890390158]

約数ペア:

[(1, 890390158), (2, 445195079), (7, 127198594), (14, 63599297), (1031, 863618), (2062, 431809), (7217, 123374), (14434, 61687)]