12978602259

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19936409}}^1$

素因数の和:19936450

約数の個数: 16

約数和(自身を含む): 20414883840

約数和(自身を除く): 7436281581

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 19936409, 59809227, 139554863, 418664589, 618028679, 1854086037, 4326200753, 12978602259]

約数ペア:

[(1, 12978602259), (3, 4326200753), (7, 1854086037), (21, 618028679), (31, 418664589), (93, 139554863), (217, 59809227), (651, 19936409)]