138678956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 270362400

約数和(自身を除く): 131683444

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 109, 172, 218, 436, 559, 569, 1118, 1138, 1417, 2236, 2276, 2834, 4687, 5668, 7397, 9374, 14794, 18748, 24467, 29588, 48934, 60931, 62021, 97868, 121862, 124042, 243724, 248084, 318071, 636142, 806273, 1272284, 1612546, 2666903, 3225092, 5333806, 10667612, 34669739, 69339478, 138678956]

約数ペア:

[(1, 138678956), (2, 69339478), (4, 34669739), (13, 10667612), (26, 5333806), (43, 3225092), (52, 2666903), (86, 1612546), (109, 1272284), (172, 806273), (218, 636142), (436, 318071), (559, 248084), (569, 243724), (1118, 124042), (1138, 121862), (1417, 97868), (2236, 62021), (2276, 60931), (2834, 48934), (4687, 29588), (5668, 24467), (7397, 18748), (9374, 14794)]