78870904

素因数分解:

$2^3\times 7^1\times {\mathrm{1408409}}^1$

素因数の和:1408422

約数の個数: 16

約数和(自身を含む): 169009200

約数和(自身を除く): 90138296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1408409, 2816818, 5633636, 9858863, 11267272, 19717726, 39435452, 78870904]

約数ペア:

[(1, 78870904), (2, 39435452), (4, 19717726), (7, 11267272), (8, 9858863), (14, 5633636), (28, 2816818), (56, 1408409)]