28493244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 49934196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 569, 642, 963, 1138, 1284, 1391, 1707, 1926, 2276, 2782, 3414, 3852, 4173, 5121, 5564, 6828, 7397, 8346, 10242, 12519, 14794, 16692, 20484, 22191, 25038, 29588, 44382, 50076, 60883, 66573, 88764, 121766, 133146, 182649, 243532, 266292, 365298, 547947, 730596, 791479, 1095894, 1582958, 2191788, 2374437, 3165916, 4748874, 7123311, 9497748, 14246622, 28493244]

約数ペア:

[(1, 28493244), (2, 14246622), (3, 9497748), (4, 7123311), (6, 4748874), (9, 3165916), (12, 2374437), (13, 2191788), (18, 1582958), (26, 1095894), (36, 791479), (39, 730596), (52, 547947), (78, 365298), (107, 266292), (117, 243532), (156, 182649), (214, 133146), (234, 121766), (321, 88764), (428, 66573), (468, 60883), (569, 50076), (642, 44382), (963, 29588), (1138, 25038), (1284, 22191), (1391, 20484), (1707, 16692), (1926, 14794), (2276, 12519), (2782, 10242), (3414, 8346), (3852, 7397), (4173, 6828), (5121, 5564)]