256661716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 495709200

約数和(自身を除く): 239047484

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 157, 314, 493, 628, 829, 986, 1658, 1972, 2669, 3316, 4553, 5338, 9106, 10676, 14093, 18212, 24041, 28186, 48082, 56372, 77401, 96164, 130153, 154802, 260306, 309604, 408697, 520612, 817394, 1634788, 2212601, 3774437, 4425202, 7548874, 8850404, 15097748, 64165429, 128330858, 256661716]

約数ペア:

[(1, 256661716), (2, 128330858), (4, 64165429), (17, 15097748), (29, 8850404), (34, 7548874), (58, 4425202), (68, 3774437), (116, 2212601), (157, 1634788), (314, 817394), (493, 520612), (628, 408697), (829, 309604), (986, 260306), (1658, 154802), (1972, 130153), (2669, 96164), (3316, 77401), (4553, 56372), (5338, 48082), (9106, 28186), (10676, 24041), (14093, 18212)]