201992245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443939}}^1$

素因数の和:443964

約数の個数: 16

約数和(自身を含む): 298327680

約数和(自身を除く): 96335435

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 443939, 2219695, 3107573, 5771207, 15537865, 28856035, 40398449, 201992245]

約数ペア:

[(1, 201992245), (5, 40398449), (7, 28856035), (13, 15537865), (35, 5771207), (65, 3107573), (91, 2219695), (455, 443939)]