221585896

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 490838400

約数和(自身を除く): 269252504

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 229, 259, 296, 458, 467, 518, 916, 934, 1036, 1603, 1832, 1868, 2072, 3206, 3269, 3736, 6412, 6538, 8473, 12824, 13076, 16946, 17279, 26152, 33892, 34558, 59311, 67784, 69116, 106943, 118622, 120953, 138232, 213886, 237244, 241906, 427772, 474488, 483812, 748601, 855544, 967624, 1497202, 2994404, 3956891, 5988808, 7913782, 15827564, 27698237, 31655128, 55396474, 110792948, 221585896]

約数ペア:

[(1, 221585896), (2, 110792948), (4, 55396474), (7, 31655128), (8, 27698237), (14, 15827564), (28, 7913782), (37, 5988808), (56, 3956891), (74, 2994404), (148, 1497202), (229, 967624), (259, 855544), (296, 748601), (458, 483812), (467, 474488), (518, 427772), (916, 241906), (934, 237244), (1036, 213886), (1603, 138232), (1832, 120953), (1868, 118622), (2072, 106943), (3206, 69116), (3269, 67784), (3736, 59311), (6412, 34558), (6538, 33892), (8473, 26152), (12824, 17279), (13076, 16946)]