259868310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666329}}^1$

素因数の和:666352

約数の個数: 32

約数和(自身を含む): 671660640

約数和(自身を除く): 411792330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 666329, 1332658, 1998987, 3331645, 3997974, 6663290, 8662277, 9994935, 17324554, 19989870, 25986831, 43311385, 51973662, 86622770, 129934155, 259868310]

約数ペア:

[(1, 259868310), (2, 129934155), (3, 86622770), (5, 51973662), (6, 43311385), (10, 25986831), (13, 19989870), (15, 17324554), (26, 9994935), (30, 8662277), (39, 6663290), (65, 3997974), (78, 3331645), (130, 1998987), (195, 1332658), (390, 666329)]