39778385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20347}}^1$

素因数の和:20392

約数の個数: 16

約数和(自身を含む): 52742016

約数和(自身を除く): 12963631

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 20347, 101735, 345899, 467981, 1729495, 2339905, 7955677, 39778385]

約数ペア:

[(1, 39778385), (5, 7955677), (17, 2339905), (23, 1729495), (85, 467981), (115, 345899), (391, 101735), (1955, 20347)]