25888863

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 21914529

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 143, 231, 233, 259, 273, 407, 429, 481, 699, 777, 1001, 1221, 1443, 1631, 2563, 2849, 3003, 3029, 3367, 4893, 5291, 7689, 8547, 8621, 9087, 10101, 15873, 17941, 21203, 25863, 33319, 37037, 53823, 60347, 63609, 94831, 99957, 111111, 112073, 181041, 233233, 284493, 336219, 663817, 699699, 784511, 1232803, 1991451, 2353533, 3698409, 8629621, 25888863]

約数ペア:

[(1, 25888863), (3, 8629621), (7, 3698409), (11, 2353533), (13, 1991451), (21, 1232803), (33, 784511), (37, 699699), (39, 663817), (77, 336219), (91, 284493), (111, 233233), (143, 181041), (231, 112073), (233, 111111), (259, 99957), (273, 94831), (407, 63609), (429, 60347), (481, 53823), (699, 37037), (777, 33319), (1001, 25863), (1221, 21203), (1443, 17941), (1631, 15873), (2563, 10101), (2849, 9087), (3003, 8621), (3029, 8547), (3367, 7689), (4893, 5291)]