11121955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 14442624

約数和(自身を除く): 3320669

約数列:

[1, 5, 13, 65, 397, 431, 1985, 2155, 5161, 5603, 25805, 28015, 171107, 855535, 2224391, 11121955]

約数ペア:

[(1, 11121955), (5, 2224391), (13, 855535), (65, 171107), (397, 28015), (431, 25805), (1985, 5603), (2155, 5161)]