1820121289

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{30119}}^1$

素因数の和:30312

約数の個数: 16

約数和(自身を含む): 2125267200

約数和(自身を除く): 305145911

約数列:

[1, 7, 89, 97, 623, 679, 8633, 30119, 60431, 210833, 2680591, 2921543, 18764137, 20450801, 260017327, 1820121289]

約数ペア:

[(1, 1820121289), (7, 260017327), (89, 20450801), (97, 18764137), (623, 2921543), (679, 2680591), (8633, 210833), (30119, 60431)]