39917878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 81543168

約数和(自身を除く): 41625290

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 127, 143, 154, 157, 182, 254, 286, 314, 889, 1001, 1099, 1397, 1651, 1727, 1778, 2002, 2041, 2198, 2794, 3302, 3454, 4082, 9779, 11557, 12089, 14287, 18161, 19558, 19939, 22451, 23114, 24178, 28574, 36322, 39878, 44902, 127127, 139573, 157157, 219329, 254254, 259207, 279146, 314314, 438658, 518414, 1535303, 1814449, 2851277, 3070606, 3628898, 5702554, 19958939, 39917878]

約数ペア:

[(1, 39917878), (2, 19958939), (7, 5702554), (11, 3628898), (13, 3070606), (14, 2851277), (22, 1814449), (26, 1535303), (77, 518414), (91, 438658), (127, 314314), (143, 279146), (154, 259207), (157, 254254), (182, 219329), (254, 157157), (286, 139573), (314, 127127), (889, 44902), (1001, 39878), (1099, 36322), (1397, 28574), (1651, 24178), (1727, 23114), (1778, 22451), (2002, 19939), (2041, 19558), (2198, 18161), (2794, 14287), (3302, 12089), (3454, 11557), (4082, 9779)]