16551865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1993}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 21822336

約数和(自身を除く): 5270471

約数列:

[1, 5, 11, 55, 151, 755, 1661, 1993, 8305, 9965, 21923, 109615, 300943, 1504715, 3310373, 16551865]

約数ペア:

[(1, 16551865), (5, 3310373), (11, 1504715), (55, 300943), (151, 109615), (755, 21923), (1661, 9965), (1993, 8305)]