7980245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17539}}^1$

素因数の和:17564

約数の個数: 16

約数和(自身を含む): 11786880

約数和(自身を除く): 3806635

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 17539, 87695, 122773, 228007, 613865, 1140035, 1596049, 7980245]

約数ペア:

[(1, 7980245), (5, 1596049), (7, 1140035), (13, 613865), (35, 228007), (65, 122773), (91, 87695), (455, 17539)]