28427935

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 34780320

約数和(自身を除く): 6352385

約数列:

[1, 5, 89, 193, 331, 445, 965, 1655, 17177, 29459, 63883, 85885, 147295, 319415, 5685587, 28427935]

約数ペア:

[(1, 28427935), (5, 5685587), (89, 319415), (193, 147295), (331, 85885), (445, 63883), (965, 29459), (1655, 17177)]