209217512

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6343}}^1$

素因数の和:6406

約数の個数: 64

約数和(自身を含む): 487219200

約数和(自身を除く): 278001688

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 6343, 8246, 12686, 16492, 25372, 32984, 44401, 50744, 88802, 120517, 177604, 196633, 241034, 355208, 393266, 482068, 786532, 843619, 964136, 1376431, 1573064, 1687238, 2752862, 3374476, 3736027, 5505724, 6748952, 7472054, 11011448, 14944108, 26152189, 29888216, 52304378, 104608756, 209217512]

約数ペア:

[(1, 209217512), (2, 104608756), (4, 52304378), (7, 29888216), (8, 26152189), (14, 14944108), (19, 11011448), (28, 7472054), (31, 6748952), (38, 5505724), (56, 3736027), (62, 3374476), (76, 2752862), (124, 1687238), (133, 1573064), (152, 1376431), (217, 964136), (248, 843619), (266, 786532), (434, 482068), (532, 393266), (589, 355208), (868, 241034), (1064, 196633), (1178, 177604), (1736, 120517), (2356, 88802), (4123, 50744), (4712, 44401), (6343, 32984), (8246, 25372), (12686, 16492)]