78415818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1005331}}^1$

素因数の和:1005349

約数の個数: 16

約数和(自身を含む): 168895776

約数和(自身を除く): 90479958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1005331, 2010662, 3015993, 6031986, 13069303, 26138606, 39207909, 78415818]

約数ペア:

[(1, 78415818), (2, 39207909), (3, 26138606), (6, 13069303), (13, 6031986), (26, 3015993), (39, 2010662), (78, 1005331)]