198882509

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{1999}}^1$

素因数の和:2300

約数の個数: 16

約数和(自身を含む): 232128000

約数和(自身を除く): 33245491

約数列:

[1, 7, 61, 233, 427, 1631, 1999, 13993, 14213, 99491, 121939, 465767, 853573, 3260369, 28411787, 198882509]

約数ペア:

[(1, 198882509), (7, 28411787), (61, 3260369), (233, 853573), (427, 465767), (1631, 121939), (1999, 99491), (13993, 14213)]