1288123578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{39779}}^1$

素因数の和:40051

約数の個数: 48

約数和(自身を含む): 3202130880

約数和(自身を除く): 1914007302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 771, 1542, 1799, 2313, 3598, 4626, 5397, 10794, 16191, 32382, 39779, 79558, 119337, 238674, 278453, 358011, 556906, 716022, 835359, 1670718, 2506077, 5012154, 10223203, 20446406, 30669609, 61339218, 71562421, 92008827, 143124842, 184017654, 214687263, 429374526, 644061789, 1288123578]

約数ペア:

[(1, 1288123578), (2, 644061789), (3, 429374526), (6, 214687263), (7, 184017654), (9, 143124842), (14, 92008827), (18, 71562421), (21, 61339218), (42, 30669609), (63, 20446406), (126, 10223203), (257, 5012154), (514, 2506077), (771, 1670718), (1542, 835359), (1799, 716022), (2313, 556906), (3598, 358011), (4626, 278453), (5397, 238674), (10794, 119337), (16191, 79558), (32382, 39779)]