128567278

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 232187904

約数和(自身を除く): 103620626

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 103, 206, 271, 329, 542, 658, 721, 1442, 1897, 2303, 3794, 4606, 4841, 5047, 9682, 10094, 12737, 13279, 25474, 26558, 27913, 33887, 55826, 67774, 89159, 178318, 195391, 237209, 390782, 474418, 624113, 1248226, 1311911, 1367737, 2623822, 2735474, 9183377, 18366754, 64283639, 128567278]

約数ペア:

[(1, 128567278), (2, 64283639), (7, 18366754), (14, 9183377), (47, 2735474), (49, 2623822), (94, 1367737), (98, 1311911), (103, 1248226), (206, 624113), (271, 474418), (329, 390782), (542, 237209), (658, 195391), (721, 178318), (1442, 89159), (1897, 67774), (2303, 55826), (3794, 33887), (4606, 27913), (4841, 26558), (5047, 25474), (9682, 13279), (10094, 12737)]