518688508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{71761}}^1$

素因数の和:71917

約数の個数: 24

約数和(自身を含む): 984574640

約数和(自身を除く): 465886132

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 71761, 143522, 287044, 932893, 1865786, 3731572, 9974779, 19949558, 39899116, 129672127, 259344254, 518688508]

約数ペア:

[(1, 518688508), (2, 259344254), (4, 129672127), (13, 39899116), (26, 19949558), (52, 9974779), (139, 3731572), (278, 1865786), (556, 932893), (1807, 287044), (3614, 143522), (7228, 71761)]