128545642

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{4549}}^1$

素因数の和:4821

約数の個数: 16

約数和(自身を含む): 196560000

約数和(自身を除く): 68014358

約数列:

[1, 2, 71, 142, 199, 398, 4549, 9098, 14129, 28258, 322979, 645958, 905251, 1810502, 64272821, 128545642]

約数ペア:

[(1, 128545642), (2, 64272821), (71, 1810502), (142, 905251), (199, 645958), (398, 322979), (4549, 28258), (9098, 14129)]