331387196

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{13313}}^1$

素因数の和:13458

約数の個数: 36

約数和(自身を含む): 679972608

約数和(自身を除く): 348585412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 889, 1778, 3556, 6223, 12446, 13313, 24892, 26626, 53252, 93191, 186382, 372764, 652337, 1304674, 1690751, 2609348, 3381502, 6763004, 11835257, 23670514, 47341028, 82846799, 165693598, 331387196]

約数ペア:

[(1, 331387196), (2, 165693598), (4, 82846799), (7, 47341028), (14, 23670514), (28, 11835257), (49, 6763004), (98, 3381502), (127, 2609348), (196, 1690751), (254, 1304674), (508, 652337), (889, 372764), (1778, 186382), (3556, 93191), (6223, 53252), (12446, 26626), (13313, 24892)]