199493987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 263692800

約数和(自身を除く): 64198813

約数列:

[1, 7, 11, 29, 41, 77, 203, 287, 319, 451, 1189, 2179, 2233, 3157, 8323, 13079, 15253, 23969, 63191, 89339, 91553, 167783, 442337, 625373, 695101, 982729, 2590831, 4865707, 6879103, 18135817, 28499141, 199493987]

約数ペア:

[(1, 199493987), (7, 28499141), (11, 18135817), (29, 6879103), (41, 4865707), (77, 2590831), (203, 982729), (287, 695101), (319, 625373), (451, 442337), (1189, 167783), (2179, 91553), (2233, 89339), (3157, 63191), (8323, 23969), (13079, 15253)]