42090470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{247591}}^1$

素因数の和:247615

約数の個数: 16

約数和(自身を含む): 80219808

約数和(自身を除く): 38129338

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 247591, 495182, 1237955, 2475910, 4209047, 8418094, 21045235, 42090470]

約数ペア:

[(1, 42090470), (2, 21045235), (5, 8418094), (10, 4209047), (17, 2475910), (34, 1237955), (85, 495182), (170, 247591)]