542080475

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{12899}}^1$

素因数の和:12991

約数の個数: 18

約数和(自身を含む): 689027700

約数和(自身を除く): 146947225

約数列:

[1, 5, 25, 41, 205, 1025, 1681, 8405, 12899, 42025, 64495, 322475, 528859, 2644295, 13221475, 21683219, 108416095, 542080475]

約数ペア:

[(1, 542080475), (5, 108416095), (25, 21683219), (41, 13221475), (205, 2644295), (1025, 528859), (1681, 322475), (8405, 64495), (12899, 42025)]