13405690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78857}}^1$

素因数の和:78881

約数の個数: 16

約数和(自身を含む): 25549992

約数和(自身を除く): 12144302

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 78857, 157714, 394285, 788570, 1340569, 2681138, 6702845, 13405690]

約数ペア:

[(1, 13405690), (2, 6702845), (5, 2681138), (10, 1340569), (17, 788570), (34, 394285), (85, 157714), (170, 78857)]