638443189188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{2897}}^1\times {\mathrm{291509}}^1$

素因数の和:294426

約数の個数: 96

約数和(自身を含む): 1892342995200

約数和(自身を除く): 1253899806012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 2897, 5794, 8691, 11588, 17382, 20279, 26073, 34764, 40558, 52146, 60837, 78219, 81116, 104292, 121674, 156438, 182511, 243348, 291509, 312876, 365022, 547533, 583018, 730044, 874527, 1095066, 1166036, 1749054, 2040563, 2190132, 2623581, 3498108, 4081126, 5247162, 6121689, 7870743, 8162252, 10494324, 12243378, 15741486, 18365067, 24486756, 31482972, 36730134, 55095201, 73460268, 110190402, 220380804, 844501573, 1689003146, 2533504719, 3378006292, 5067009438, 5911511011, 7600514157, 10134018876, 11823022022, 15201028314, 17734533033, 22801542471, 23646044044, 30402056628, 35469066066, 45603084942, 53203599099, 70938132132, 91206169884, 106407198198, 159610797297, 212814396396, 319221594594, 638443189188]

約数ペア:

[(1, 638443189188), (2, 319221594594), (3, 212814396396), (4, 159610797297), (6, 106407198198), (7, 91206169884), (9, 70938132132), (12, 53203599099), (14, 45603084942), (18, 35469066066), (21, 30402056628), (27, 23646044044), (28, 22801542471), (36, 17734533033), (42, 15201028314), (54, 11823022022), (63, 10134018876), (84, 7600514157), (108, 5911511011), (126, 5067009438), (189, 3378006292), (252, 2533504719), (378, 1689003146), (756, 844501573), (2897, 220380804), (5794, 110190402), (8691, 73460268), (11588, 55095201), (17382, 36730134), (20279, 31482972), (26073, 24486756), (34764, 18365067), (40558, 15741486), (52146, 12243378), (60837, 10494324), (78219, 8162252), (81116, 7870743), (104292, 6121689), (121674, 5247162), (156438, 4081126), (182511, 3498108), (243348, 2623581), (291509, 2190132), (312876, 2040563), (365022, 1749054), (547533, 1166036), (583018, 1095066), (730044, 874527)]