128123203

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3203}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 146948256

約数和(自身を除く): 18825053

約数列:

[1, 13, 17, 181, 221, 2353, 3077, 3203, 40001, 41639, 54451, 579743, 707863, 7536659, 9855631, 128123203]

約数ペア:

[(1, 128123203), (13, 9855631), (17, 7536659), (181, 707863), (221, 579743), (2353, 54451), (3077, 41639), (3203, 40001)]