42391390

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{16889}}^1$

素因数の和:17147

約数の個数: 16

約数和(自身を含む): 76613040

約数和(自身を除く): 34221650

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 16889, 33778, 84445, 168890, 4239139, 8478278, 21195695, 42391390]

約数ペア:

[(1, 42391390), (2, 21195695), (5, 8478278), (10, 4239139), (251, 168890), (502, 84445), (1255, 33778), (2510, 16889)]