22281889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 6230111

約数列:

[1, 7, 19, 29, 53, 109, 133, 203, 371, 551, 763, 1007, 1537, 2071, 3161, 3857, 5777, 7049, 10759, 14497, 22127, 29203, 40439, 60059, 109763, 167533, 204421, 420413, 768341, 1172731, 3183127, 22281889]

約数ペア:

[(1, 22281889), (7, 3183127), (19, 1172731), (29, 768341), (53, 420413), (109, 204421), (133, 167533), (203, 109763), (371, 60059), (551, 40439), (763, 29203), (1007, 22127), (1537, 14497), (2071, 10759), (3161, 7049), (3857, 5777)]