388207316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{729713}}^1$

素因数の和:729743

約数の個数: 24

約数和(自身を含む): 817279680

約数和(自身を除く): 429072364

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 729713, 1459426, 2918852, 5107991, 10215982, 13864547, 20431964, 27729094, 55458188, 97051829, 194103658, 388207316]

約数ペア:

[(1, 388207316), (2, 194103658), (4, 97051829), (7, 55458188), (14, 27729094), (19, 20431964), (28, 13864547), (38, 10215982), (76, 5107991), (133, 2918852), (266, 1459426), (532, 729713)]