680933786

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 1142400000

約数和(自身を除く): 461466214

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2197, 4394, 4999, 5239, 9998, 10478, 64987, 68107, 129974, 136214, 154969, 309938, 844831, 1689662, 2014597, 4029194, 10982803, 21965606, 26189761, 52379522, 340466893, 680933786]

約数ペア:

[(1, 680933786), (2, 340466893), (13, 52379522), (26, 26189761), (31, 21965606), (62, 10982803), (169, 4029194), (338, 2014597), (403, 1689662), (806, 844831), (2197, 309938), (4394, 154969), (4999, 136214), (5239, 129974), (9998, 68107), (10478, 64987)]