28008708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1973}}^1$

素因数の和:2013

約数の個数: 72

約数和(自身を含む): 80918208

約数和(自身を除く): 52909500

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1973, 2028, 2366, 3549, 3946, 4732, 5919, 7098, 7892, 11838, 13811, 14196, 23676, 25649, 27622, 41433, 51298, 55244, 76947, 82866, 102596, 153894, 165732, 179543, 307788, 333437, 359086, 538629, 666874, 718172, 1000311, 1077258, 1333748, 2000622, 2154516, 2334059, 4001244, 4668118, 7002177, 9336236, 14004354, 28008708]

約数ペア:

[(1, 28008708), (2, 14004354), (3, 9336236), (4, 7002177), (6, 4668118), (7, 4001244), (12, 2334059), (13, 2154516), (14, 2000622), (21, 1333748), (26, 1077258), (28, 1000311), (39, 718172), (42, 666874), (52, 538629), (78, 359086), (84, 333437), (91, 307788), (156, 179543), (169, 165732), (182, 153894), (273, 102596), (338, 82866), (364, 76947), (507, 55244), (546, 51298), (676, 41433), (1014, 27622), (1092, 25649), (1183, 23676), (1973, 14196), (2028, 13811), (2366, 11838), (3549, 7892), (3946, 7098), (4732, 5919)]