207640856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{28807}}^1$

素因数の和:28883

約数の個数: 32

約数和(自身を含む): 420020640

約数和(自身を除く): 212379784

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208, 28807, 57614, 115228, 230456, 489719, 979438, 1526771, 1958876, 3053542, 3917752, 6107084, 12214168, 25955107, 51910214, 103820428, 207640856]

約数ペア:

[(1, 207640856), (2, 103820428), (4, 51910214), (8, 25955107), (17, 12214168), (34, 6107084), (53, 3917752), (68, 3053542), (106, 1958876), (136, 1526771), (212, 979438), (424, 489719), (901, 230456), (1802, 115228), (3604, 57614), (7208, 28807)]