213945914

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{31771}}^1$

素因数の和:31830

約数の個数: 32

約数和(自身を含む): 405664896

約数和(自身を除く): 191718982

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 6734, 31771, 63542, 222397, 413023, 444794, 826046, 1175527, 2351054, 2891161, 5782322, 8228689, 15281851, 16457378, 30563702, 106972957, 213945914]

約数ペア:

[(1, 213945914), (2, 106972957), (7, 30563702), (13, 16457378), (14, 15281851), (26, 8228689), (37, 5782322), (74, 2891161), (91, 2351054), (182, 1175527), (259, 826046), (481, 444794), (518, 413023), (962, 222397), (3367, 63542), (6734, 31771)]