31473442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 33038558

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 79, 91, 143, 154, 158, 182, 199, 286, 398, 553, 869, 1001, 1027, 1106, 1393, 1738, 2002, 2054, 2189, 2587, 2786, 4378, 5174, 6083, 7189, 11297, 12166, 14378, 15323, 15721, 18109, 22594, 28457, 30646, 31442, 36218, 56914, 79079, 110047, 158158, 172931, 199199, 204373, 220094, 345862, 398398, 408746, 1210517, 1430611, 2248103, 2421034, 2861222, 4496206, 15736721, 31473442]

約数ペア:

[(1, 31473442), (2, 15736721), (7, 4496206), (11, 2861222), (13, 2421034), (14, 2248103), (22, 1430611), (26, 1210517), (77, 408746), (79, 398398), (91, 345862), (143, 220094), (154, 204373), (158, 199199), (182, 172931), (199, 158158), (286, 110047), (398, 79079), (553, 56914), (869, 36218), (1001, 31442), (1027, 30646), (1106, 28457), (1393, 22594), (1738, 18109), (2002, 15721), (2054, 15323), (2189, 14378), (2587, 12166), (2786, 11297), (4378, 7189), (5174, 6083)]