12981994

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5107}}^1$

素因数の和:5181

約数の個数: 16

約数和(自身を含む): 20595456

約数和(自身を除く): 7613462

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 5107, 10214, 158317, 209387, 316634, 418774, 6490997, 12981994]

約数ペア:

[(1, 12981994), (2, 6490997), (31, 418774), (41, 316634), (62, 209387), (82, 158317), (1271, 10214), (2542, 5107)]