215584198

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{108991}}^1$

素因数の和:109059

約数の個数: 16

約数和(自身を含む): 345286656

約数和(自身を除く): 129702458

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 108991, 217982, 2506793, 4686613, 5013586, 9373226, 107792099, 215584198]

約数ペア:

[(1, 215584198), (2, 107792099), (23, 9373226), (43, 5013586), (46, 4686613), (86, 2506793), (989, 217982), (1978, 108991)]