28528652

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 28080628

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 284, 311, 323, 622, 646, 1207, 1244, 1292, 1349, 2414, 2698, 4828, 5287, 5396, 5909, 10574, 11818, 21148, 22081, 22933, 23636, 44162, 45866, 88324, 91732, 100453, 200906, 375377, 401812, 419539, 750754, 839078, 1501508, 1678156, 7132163, 14264326, 28528652]

約数ペア:

[(1, 28528652), (2, 14264326), (4, 7132163), (17, 1678156), (19, 1501508), (34, 839078), (38, 750754), (68, 419539), (71, 401812), (76, 375377), (142, 200906), (284, 100453), (311, 91732), (323, 88324), (622, 45866), (646, 44162), (1207, 23636), (1244, 22933), (1292, 22081), (1349, 21148), (2414, 11818), (2698, 10574), (4828, 5909), (5287, 5396)]