221411176

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127541}}^1$

素因数の和:127585

約数の個数: 32

約数和(自身を含む): 489761280

約数和(自身を除く): 268350104

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 127541, 255082, 510164, 892787, 1020328, 1785574, 3571148, 3953771, 7142296, 7907542, 15815084, 27676397, 31630168, 55352794, 110705588, 221411176]

約数ペア:

[(1, 221411176), (2, 110705588), (4, 55352794), (7, 31630168), (8, 27676397), (14, 15815084), (28, 7907542), (31, 7142296), (56, 3953771), (62, 3571148), (124, 1785574), (217, 1020328), (248, 892787), (434, 510164), (868, 255082), (1736, 127541)]