261570278

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1\times {\mathrm{1471}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 398782464

約数和(自身を除く): 137212186

約数列:

[1, 2, 67, 134, 1327, 1471, 2654, 2942, 88909, 98557, 177818, 197114, 1952017, 3904034, 130785139, 261570278]

約数ペア:

[(1, 261570278), (2, 130785139), (67, 3904034), (134, 1952017), (1327, 197114), (1471, 177818), (2654, 98557), (2942, 88909)]