1989661

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 2275200

約数和(自身を除く): 285539

約数列:

[1, 19, 23, 29, 157, 437, 551, 667, 2983, 3611, 4553, 12673, 68609, 86507, 104719, 1989661]

約数ペア:

[(1, 1989661), (19, 104719), (23, 86507), (29, 68609), (157, 12673), (437, 4553), (551, 3611), (667, 2983)]