206747618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 405715968

約数和(自身を除く): 198968350

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 127, 154, 217, 242, 254, 341, 434, 682, 847, 889, 961, 1397, 1694, 1778, 1922, 2387, 2794, 3751, 3937, 4774, 6727, 7502, 7874, 9779, 10571, 13454, 15367, 19558, 21142, 26257, 27559, 30734, 43307, 52514, 55118, 73997, 86614, 107569, 116281, 122047, 147994, 215138, 232562, 244094, 303149, 476377, 606298, 813967, 854329, 952754, 1342517, 1627934, 1708658, 2685034, 3334639, 6669278, 9397619, 14767687, 18795238, 29535374, 103373809, 206747618]

約数ペア:

[(1, 206747618), (2, 103373809), (7, 29535374), (11, 18795238), (14, 14767687), (22, 9397619), (31, 6669278), (62, 3334639), (77, 2685034), (121, 1708658), (127, 1627934), (154, 1342517), (217, 952754), (242, 854329), (254, 813967), (341, 606298), (434, 476377), (682, 303149), (847, 244094), (889, 232562), (961, 215138), (1397, 147994), (1694, 122047), (1778, 116281), (1922, 107569), (2387, 86614), (2794, 73997), (3751, 55118), (3937, 52514), (4774, 43307), (6727, 30734), (7502, 27559), (7874, 26257), (9779, 21142), (10571, 19558), (13454, 15367)]