39979912

素因数分解:

$2^3\times 7^1\times {\mathrm{713927}}^1$

素因数の和:713940

約数の個数: 16

約数和(自身を含む): 85671360

約数和(自身を除く): 45691448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 713927, 1427854, 2855708, 4997489, 5711416, 9994978, 19989956, 39979912]

約数ペア:

[(1, 39979912), (2, 19989956), (4, 9994978), (7, 5711416), (8, 4997489), (14, 2855708), (28, 1427854), (56, 713927)]