331378544

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{155723}}^1$

素因数の和:155757

約数の個数: 40

約数和(自身を含む): 772391040

約数和(自身を除く): 441012496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 155723, 311446, 622892, 1090061, 1245784, 2180122, 2491568, 2958737, 4360244, 5917474, 8720488, 11834948, 17440976, 20711159, 23669896, 41422318, 47339792, 82844636, 165689272, 331378544]

約数ペア:

[(1, 331378544), (2, 165689272), (4, 82844636), (7, 47339792), (8, 41422318), (14, 23669896), (16, 20711159), (19, 17440976), (28, 11834948), (38, 8720488), (56, 5917474), (76, 4360244), (112, 2958737), (133, 2491568), (152, 2180122), (266, 1245784), (304, 1090061), (532, 622892), (1064, 311446), (2128, 155723)]