66921710

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{33629}}^1$

素因数の和:33835

約数の個数: 16

約数和(自身を含む): 121068000

約数和(自身を除く): 54146290

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 33629, 67258, 168145, 336290, 6692171, 13384342, 33460855, 66921710]

約数ペア:

[(1, 66921710), (2, 33460855), (5, 13384342), (10, 6692171), (199, 336290), (398, 168145), (995, 67258), (1990, 33629)]