78304828

素因数分解:

$2^2\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{1999}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 156800000

約数和(自身を除く): 78495172

約数列:

[1, 2, 4, 7, 14, 28, 1399, 1999, 2798, 3998, 5596, 7996, 9793, 13993, 19586, 27986, 39172, 55972, 2796601, 5593202, 11186404, 19576207, 39152414, 78304828]

約数ペア:

[(1, 78304828), (2, 39152414), (4, 19576207), (7, 11186404), (14, 5593202), (28, 2796601), (1399, 55972), (1999, 39172), (2798, 27986), (3998, 19586), (5596, 13993), (7996, 9793)]