1290280376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{16493}}^1$

素因数の和:16644

約数の個数: 64

約数和(自身を含む): 3040174080

約数和(自身を除く): 1749893704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 254, 308, 508, 616, 889, 1016, 1397, 1778, 2794, 3556, 5588, 7112, 9779, 11176, 16493, 19558, 32986, 39116, 65972, 78232, 115451, 131944, 181423, 230902, 362846, 461804, 725692, 923608, 1269961, 1451384, 2094611, 2539922, 4189222, 5079844, 8378444, 10159688, 14662277, 16756888, 23040721, 29324554, 46081442, 58649108, 92162884, 117298216, 161285047, 184325768, 322570094, 645140188, 1290280376]

約数ペア:

[(1, 1290280376), (2, 645140188), (4, 322570094), (7, 184325768), (8, 161285047), (11, 117298216), (14, 92162884), (22, 58649108), (28, 46081442), (44, 29324554), (56, 23040721), (77, 16756888), (88, 14662277), (127, 10159688), (154, 8378444), (254, 5079844), (308, 4189222), (508, 2539922), (616, 2094611), (889, 1451384), (1016, 1269961), (1397, 923608), (1778, 725692), (2794, 461804), (3556, 362846), (5588, 230902), (7112, 181423), (9779, 131944), (11176, 115451), (16493, 78232), (19558, 65972), (32986, 39116)]