251542928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5573}}^1$

素因数の和:5632

約数の個数: 80

約数和(自身を含む): 619293696

約数和(自身を除く): 367750768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5573, 5642, 6448, 11146, 11284, 22292, 22568, 39011, 44584, 45136, 72449, 78022, 89168, 144898, 156044, 172763, 289796, 312088, 345526, 507143, 579592, 624176, 691052, 1014286, 1159184, 1209341, 1382104, 2028572, 2245919, 2418682, 2764208, 4057144, 4491838, 4837364, 8114288, 8983676, 9674728, 15721433, 17967352, 19349456, 31442866, 35934704, 62885732, 125771464, 251542928]

約数ペア:

[(1, 251542928), (2, 125771464), (4, 62885732), (7, 35934704), (8, 31442866), (13, 19349456), (14, 17967352), (16, 15721433), (26, 9674728), (28, 8983676), (31, 8114288), (52, 4837364), (56, 4491838), (62, 4057144), (91, 2764208), (104, 2418682), (112, 2245919), (124, 2028572), (182, 1382104), (208, 1209341), (217, 1159184), (248, 1014286), (364, 691052), (403, 624176), (434, 579592), (496, 507143), (728, 345526), (806, 312088), (868, 289796), (1456, 172763), (1612, 156044), (1736, 144898), (2821, 89168), (3224, 78022), (3472, 72449), (5573, 45136), (5642, 44584), (6448, 39011), (11146, 22568), (11284, 22292)]