221411078

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{336491}}^1$

素因数の和:336547

約数の個数: 16

約数和(自身を含む): 387638784

約数和(自身を除く): 166227706

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 336491, 672982, 2355437, 4710874, 15815077, 31630154, 110705539, 221411078]

約数ペア:

[(1, 221411078), (2, 110705539), (7, 31630154), (14, 15815077), (47, 4710874), (94, 2355437), (329, 672982), (658, 336491)]