28657028

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 51485952

約数和(自身を除く): 22828924

約数列:

[1, 2, 4, 47, 94, 188, 313, 487, 626, 974, 1252, 1948, 14711, 22889, 29422, 45778, 58844, 91556, 152431, 304862, 609724, 7164257, 14328514, 28657028]

約数ペア:

[(1, 28657028), (2, 14328514), (4, 7164257), (47, 609724), (94, 304862), (188, 152431), (313, 91556), (487, 58844), (626, 45778), (974, 29422), (1252, 22889), (1948, 14711)]