28295826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 65412480

約数和(自身を除く): 37116654

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 61, 78, 114, 122, 183, 247, 313, 366, 494, 626, 741, 793, 939, 1159, 1482, 1586, 1878, 2318, 2379, 3477, 4069, 4758, 5947, 6954, 8138, 11894, 12207, 15067, 17841, 19093, 24414, 30134, 35682, 38186, 45201, 57279, 77311, 90402, 114558, 154622, 231933, 248209, 362767, 463866, 496418, 725534, 744627, 1088301, 1489254, 2176602, 4715971, 9431942, 14147913, 28295826]

約数ペア:

[(1, 28295826), (2, 14147913), (3, 9431942), (6, 4715971), (13, 2176602), (19, 1489254), (26, 1088301), (38, 744627), (39, 725534), (57, 496418), (61, 463866), (78, 362767), (114, 248209), (122, 231933), (183, 154622), (247, 114558), (313, 90402), (366, 77311), (494, 57279), (626, 45201), (741, 38186), (793, 35682), (939, 30134), (1159, 24414), (1482, 19093), (1586, 17841), (1878, 15067), (2318, 12207), (2379, 11894), (3477, 8138), (4069, 6954), (4758, 5947)]