664759816

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{23789}}^1$

素因数の和:24301

約数の個数: 32

約数和(自身を含む): 1427400000

約数和(自身を除く): 762640184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 998, 1996, 3493, 3992, 6986, 13972, 23789, 27944, 47578, 95156, 166523, 190312, 333046, 666092, 1332184, 11870711, 23741422, 47482844, 83094977, 94965688, 166189954, 332379908, 664759816]

約数ペア:

[(1, 664759816), (2, 332379908), (4, 166189954), (7, 94965688), (8, 83094977), (14, 47482844), (28, 23741422), (56, 11870711), (499, 1332184), (998, 666092), (1996, 333046), (3493, 190312), (3992, 166523), (6986, 95156), (13972, 47578), (23789, 27944)]