7789721690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10971439}}^1$

素因数の和:10971517

約数の個数: 16

約数和(自身を含む): 14218986240

約数和(自身を除く): 6429264550

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 10971439, 21942878, 54857195, 109714390, 778972169, 1557944338, 3894860845, 7789721690]

約数ペア:

[(1, 7789721690), (2, 3894860845), (5, 1557944338), (10, 778972169), (71, 109714390), (142, 54857195), (355, 21942878), (710, 10971439)]