142790263

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 194365440

約数和(自身を除く): 51575177

約数列:

[1, 7, 11, 19, 49, 73, 77, 133, 191, 209, 511, 539, 803, 931, 1337, 1387, 1463, 2101, 3577, 3629, 5621, 9359, 9709, 10241, 13943, 14707, 15257, 25403, 39347, 39919, 67963, 97601, 102949, 106799, 153373, 177821, 264917, 279433, 683207, 747593, 1073611, 1854419, 1956031, 2914087, 7515277, 12980933, 20398609, 142790263]

約数ペア:

[(1, 142790263), (7, 20398609), (11, 12980933), (19, 7515277), (49, 2914087), (73, 1956031), (77, 1854419), (133, 1073611), (191, 747593), (209, 683207), (511, 279433), (539, 264917), (803, 177821), (931, 153373), (1337, 106799), (1387, 102949), (1463, 97601), (2101, 67963), (3577, 39919), (3629, 39347), (5621, 25403), (9359, 15257), (9709, 14707), (10241, 13943)]