2155398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 5399040

約数和(自身を除く): 3243642

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 73, 74, 111, 114, 133, 146, 219, 222, 259, 266, 399, 438, 511, 518, 703, 777, 798, 1022, 1387, 1406, 1533, 1554, 2109, 2701, 2774, 3066, 4161, 4218, 4921, 5402, 8103, 8322, 9709, 9842, 14763, 16206, 18907, 19418, 29127, 29526, 37814, 51319, 56721, 58254, 102638, 113442, 153957, 307914, 359233, 718466, 1077699, 2155398]

約数ペア:

[(1, 2155398), (2, 1077699), (3, 718466), (6, 359233), (7, 307914), (14, 153957), (19, 113442), (21, 102638), (37, 58254), (38, 56721), (42, 51319), (57, 37814), (73, 29526), (74, 29127), (111, 19418), (114, 18907), (133, 16206), (146, 14763), (219, 9842), (222, 9709), (259, 8322), (266, 8103), (399, 5402), (438, 4921), (511, 4218), (518, 4161), (703, 3066), (777, 2774), (798, 2701), (1022, 2109), (1387, 1554), (1406, 1533)]