2490804981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{50753}}^1$

素因数の和:50826

約数の個数: 48

約数和(自身を含む): 4433869440

約数和(自身を除く): 1943064459

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 861, 1197, 2337, 2583, 5453, 7011, 16359, 49077, 50753, 152259, 355271, 456777, 964307, 1065813, 2080873, 2892921, 3197439, 6242619, 6750149, 8678763, 14566111, 18727857, 20250447, 39536587, 43698333, 60751341, 118609761, 131094999, 276756109, 355829283, 830268327, 2490804981]

約数ペア:

[(1, 2490804981), (3, 830268327), (7, 355829283), (9, 276756109), (19, 131094999), (21, 118609761), (41, 60751341), (57, 43698333), (63, 39536587), (123, 20250447), (133, 18727857), (171, 14566111), (287, 8678763), (369, 6750149), (399, 6242619), (779, 3197439), (861, 2892921), (1197, 2080873), (2337, 1065813), (2583, 964307), (5453, 456777), (7011, 355271), (16359, 152259), (49077, 50753)]