2561598193

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 3349591168

約数和(自身を除く): 787992975

約数列:

[1, 7, 11, 43, 61, 77, 121, 301, 427, 473, 671, 847, 1153, 2623, 3311, 4697, 5203, 7381, 8071, 12683, 18361, 28853, 36421, 49579, 51667, 70333, 88781, 139513, 201971, 317383, 347053, 492331, 545369, 773663, 976591, 2221681, 3024319, 3817583, 5415641, 5999059, 8510293, 21170233, 33267509, 41993413, 59572051, 232872563, 365942599, 2561598193]

約数ペア:

[(1, 2561598193), (7, 365942599), (11, 232872563), (43, 59572051), (61, 41993413), (77, 33267509), (121, 21170233), (301, 8510293), (427, 5999059), (473, 5415641), (671, 3817583), (847, 3024319), (1153, 2221681), (2623, 976591), (3311, 773663), (4697, 545369), (5203, 492331), (7381, 347053), (8071, 317383), (12683, 201971), (18361, 139513), (28853, 88781), (36421, 70333), (49579, 51667)]