311248

素因数分解:

$2^4\times 7^2\times {\mathrm{397}}^1$

素因数の和:419

約数の個数: 30

約数和(自身を含む): 703266

約数和(自身を除く): 392018

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 397, 784, 794, 1588, 2779, 3176, 5558, 6352, 11116, 19453, 22232, 38906, 44464, 77812, 155624, 311248]

約数ペア:

[(1, 311248), (2, 155624), (4, 77812), (7, 44464), (8, 38906), (14, 22232), (16, 19453), (28, 11116), (49, 6352), (56, 5558), (98, 3176), (112, 2779), (196, 1588), (392, 794), (397, 784)]