209957706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{12163}}^1$

素因数の和:12315

約数の個数: 48

約数和(自身を含む): 523733184

約数和(自身を除く): 313775478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 137, 274, 411, 822, 959, 1233, 1918, 2466, 2877, 5754, 8631, 12163, 17262, 24326, 36489, 72978, 85141, 109467, 170282, 218934, 255423, 510846, 766269, 1532538, 1666331, 3332662, 4998993, 9997986, 11664317, 14996979, 23328634, 29993958, 34992951, 69985902, 104978853, 209957706]

約数ペア:

[(1, 209957706), (2, 104978853), (3, 69985902), (6, 34992951), (7, 29993958), (9, 23328634), (14, 14996979), (18, 11664317), (21, 9997986), (42, 4998993), (63, 3332662), (126, 1666331), (137, 1532538), (274, 766269), (411, 510846), (822, 255423), (959, 218934), (1233, 170282), (1918, 109467), (2466, 85141), (2877, 72978), (5754, 36489), (8631, 24326), (12163, 17262)]