161808218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 302537760

約数和(自身を除く): 140729542

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 121, 143, 209, 242, 247, 286, 418, 494, 1573, 2299, 2707, 2717, 3146, 4598, 5414, 5434, 29777, 29887, 35191, 51433, 59554, 59774, 70382, 102866, 327547, 387101, 565763, 655094, 668629, 774202, 1131526, 1337258, 4258111, 6223393, 7354919, 8516222, 12446786, 14709838, 80904109, 161808218]

約数ペア:

[(1, 161808218), (2, 80904109), (11, 14709838), (13, 12446786), (19, 8516222), (22, 7354919), (26, 6223393), (38, 4258111), (121, 1337258), (143, 1131526), (209, 774202), (242, 668629), (247, 655094), (286, 565763), (418, 387101), (494, 327547), (1573, 102866), (2299, 70382), (2707, 59774), (2717, 59554), (3146, 51433), (4598, 35191), (5414, 29887), (5434, 29777)]