28964264

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 63554400

約数和(自身を除く): 34590136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 139, 244, 278, 427, 488, 556, 854, 973, 1112, 1708, 1946, 3416, 3721, 3892, 7442, 7784, 8479, 14884, 16958, 26047, 29768, 33916, 52094, 59353, 67832, 104188, 118706, 208376, 237412, 474824, 517219, 1034438, 2068876, 3620533, 4137752, 7241066, 14482132, 28964264]

約数ペア:

[(1, 28964264), (2, 14482132), (4, 7241066), (7, 4137752), (8, 3620533), (14, 2068876), (28, 1034438), (56, 517219), (61, 474824), (122, 237412), (139, 208376), (244, 118706), (278, 104188), (427, 67832), (488, 59353), (556, 52094), (854, 33916), (973, 29768), (1112, 26047), (1708, 16958), (1946, 14884), (3416, 8479), (3721, 7784), (3892, 7442)]