28083666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 62403264

約数和(自身を除く): 34319598

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 263, 481, 526, 789, 962, 1369, 1443, 1578, 2738, 2886, 3419, 4107, 6838, 8214, 9731, 10257, 17797, 19462, 20514, 29193, 35594, 53391, 58386, 106782, 126503, 253006, 360047, 379509, 720094, 759018, 1080141, 2160282, 4680611, 9361222, 14041833, 28083666]

約数ペア:

[(1, 28083666), (2, 14041833), (3, 9361222), (6, 4680611), (13, 2160282), (26, 1080141), (37, 759018), (39, 720094), (74, 379509), (78, 360047), (111, 253006), (222, 126503), (263, 106782), (481, 58386), (526, 53391), (789, 35594), (962, 29193), (1369, 20514), (1443, 19462), (1578, 17797), (2738, 10257), (2886, 9731), (3419, 8214), (4107, 6838)]