22780051

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 8246189

約数列:

[1, 7, 17, 23, 29, 41, 49, 119, 161, 203, 287, 391, 493, 667, 697, 833, 943, 1127, 1189, 1421, 2009, 2737, 3451, 4669, 4879, 6601, 8323, 11339, 16031, 19159, 20213, 24157, 27347, 32683, 34153, 46207, 58261, 79373, 112217, 141491, 191429, 464899, 555611, 785519, 990437, 1340003, 3254293, 22780051]

約数ペア:

[(1, 22780051), (7, 3254293), (17, 1340003), (23, 990437), (29, 785519), (41, 555611), (49, 464899), (119, 191429), (161, 141491), (203, 112217), (287, 79373), (391, 58261), (493, 46207), (667, 34153), (697, 32683), (833, 27347), (943, 24157), (1127, 20213), (1189, 19159), (1421, 16031), (2009, 11339), (2737, 8323), (3451, 6601), (4669, 4879)]