28255086

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 64471680

約数和(自身を除く): 36216594

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 139, 207, 278, 414, 417, 491, 834, 982, 1251, 1473, 2502, 2946, 3197, 4419, 6394, 8838, 9591, 11293, 19182, 22586, 28773, 33879, 57546, 67758, 68249, 101637, 136498, 203274, 204747, 409494, 614241, 1228482, 1569727, 3139454, 4709181, 9418362, 14127543, 28255086]

約数ペア:

[(1, 28255086), (2, 14127543), (3, 9418362), (6, 4709181), (9, 3139454), (18, 1569727), (23, 1228482), (46, 614241), (69, 409494), (138, 204747), (139, 203274), (207, 136498), (278, 101637), (414, 68249), (417, 67758), (491, 57546), (834, 33879), (982, 28773), (1251, 22586), (1473, 19182), (2502, 11293), (2946, 9591), (3197, 8838), (4419, 6394)]