644017248

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{319453}}^1$

素因数の和:319476

約数の個数: 72

約数和(自身を含む): 2093062608

約数和(自身を除く): 1449045360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 319453, 638906, 958359, 1277812, 1916718, 2236171, 2555624, 2875077, 3833436, 4472342, 5111248, 5750154, 6708513, 7666872, 8944684, 10222496, 11500308, 13417026, 15333744, 17889368, 20125539, 23000616, 26834052, 30667488, 35778736, 40251078, 46001232, 53668104, 71557472, 80502156, 92002464, 107336208, 161004312, 214672416, 322008624, 644017248]

約数ペア:

[(1, 644017248), (2, 322008624), (3, 214672416), (4, 161004312), (6, 107336208), (7, 92002464), (8, 80502156), (9, 71557472), (12, 53668104), (14, 46001232), (16, 40251078), (18, 35778736), (21, 30667488), (24, 26834052), (28, 23000616), (32, 20125539), (36, 17889368), (42, 15333744), (48, 13417026), (56, 11500308), (63, 10222496), (72, 8944684), (84, 7666872), (96, 6708513), (112, 5750154), (126, 5111248), (144, 4472342), (168, 3833436), (224, 2875077), (252, 2555624), (288, 2236171), (336, 1916718), (504, 1277812), (672, 958359), (1008, 638906), (2016, 319453)]