720381193

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 910103040

約数和(自身を除く): 189721847

約数列:

[1, 7, 31, 41, 43, 49, 217, 269, 287, 301, 1271, 1333, 1519, 1763, 1883, 2009, 2107, 8339, 8897, 9331, 11029, 11567, 12341, 13181, 54653, 58373, 62279, 65317, 77203, 80969, 86387, 341899, 358577, 382571, 408611, 474247, 540421, 566783, 2393293, 2510039, 2677997, 3319729, 14701657, 16753051, 17570273, 23238103, 102911599, 720381193]

約数ペア:

[(1, 720381193), (7, 102911599), (31, 23238103), (41, 17570273), (43, 16753051), (49, 14701657), (217, 3319729), (269, 2677997), (287, 2510039), (301, 2393293), (1271, 566783), (1333, 540421), (1519, 474247), (1763, 408611), (1883, 382571), (2009, 358577), (2107, 341899), (8339, 86387), (8897, 80969), (9331, 77203), (11029, 65317), (11567, 62279), (12341, 58373), (13181, 54653)]