197897087

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 208772352

約数和(自身を除く): 10875265

約数列:

[1, 31, 73, 157, 557, 2263, 4867, 11461, 17267, 40661, 87449, 355291, 1260491, 2710919, 6383777, 197897087]

約数ペア:

[(1, 197897087), (31, 6383777), (73, 2710919), (157, 1260491), (557, 355291), (2263, 87449), (4867, 40661), (11461, 17267)]