398772304

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{187393}}^1$

素因数の和:187427

約数の個数: 40

約数和(自身を含む): 929474240

約数和(自身を除く): 530701936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 187393, 374786, 749572, 1311751, 1499144, 2623502, 2998288, 3560467, 5247004, 7120934, 10494008, 14241868, 20988016, 24923269, 28483736, 49846538, 56967472, 99693076, 199386152, 398772304]

約数ペア:

[(1, 398772304), (2, 199386152), (4, 99693076), (7, 56967472), (8, 49846538), (14, 28483736), (16, 24923269), (19, 20988016), (28, 14241868), (38, 10494008), (56, 7120934), (76, 5247004), (112, 3560467), (133, 2998288), (152, 2623502), (266, 1499144), (304, 1311751), (532, 749572), (1064, 374786), (2128, 187393)]