990437

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 1292760

約数和(自身を除く): 302323

約数列:

[1, 7, 17, 29, 41, 49, 119, 203, 287, 493, 697, 833, 1189, 1421, 2009, 3451, 4879, 8323, 20213, 24157, 34153, 58261, 141491, 990437]

約数ペア:

[(1, 990437), (7, 141491), (17, 58261), (29, 34153), (41, 24157), (49, 20213), (119, 8323), (203, 4879), (287, 3451), (493, 2009), (697, 1421), (833, 1189)]