12999448

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18104552

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 449, 517, 616, 658, 898, 1034, 1316, 1796, 2068, 2632, 3143, 3592, 3619, 4136, 4939, 6286, 7238, 9878, 12572, 14476, 19756, 21103, 25144, 28952, 34573, 39512, 42206, 69146, 84412, 138292, 147721, 168824, 232133, 276584, 295442, 464266, 590884, 928532, 1181768, 1624931, 1857064, 3249862, 6499724, 12999448]

約数ペア:

[(1, 12999448), (2, 6499724), (4, 3249862), (7, 1857064), (8, 1624931), (11, 1181768), (14, 928532), (22, 590884), (28, 464266), (44, 295442), (47, 276584), (56, 232133), (77, 168824), (88, 147721), (94, 138292), (154, 84412), (188, 69146), (308, 42206), (329, 39512), (376, 34573), (449, 28952), (517, 25144), (616, 21103), (658, 19756), (898, 14476), (1034, 12572), (1316, 9878), (1796, 7238), (2068, 6286), (2632, 4939), (3143, 4136), (3592, 3619)]