217655852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{6359}}^1$

素因数の和:6605

約数の個数: 24

約数和(自身を含む): 391776000

約数和(自身を除く): 174120148

約数列:

[1, 2, 4, 43, 86, 172, 199, 398, 796, 6359, 8557, 12718, 17114, 25436, 34228, 273437, 546874, 1093748, 1265441, 2530882, 5061764, 54413963, 108827926, 217655852]

約数ペア:

[(1, 217655852), (2, 108827926), (4, 54413963), (43, 5061764), (86, 2530882), (172, 1265441), (199, 1093748), (398, 546874), (796, 273437), (6359, 34228), (8557, 25436), (12718, 17114)]