667066631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 873040896

約数和(自身を除く): 205974265

約数列:

[1, 7, 11, 23, 77, 161, 181, 253, 1267, 1771, 1991, 2081, 4163, 13937, 14567, 22891, 29141, 45793, 47863, 160237, 320551, 335041, 376661, 526493, 2636627, 3685451, 4143271, 8663203, 29002897, 60642421, 95295233, 667066631]

約数ペア:

[(1, 667066631), (7, 95295233), (11, 60642421), (23, 29002897), (77, 8663203), (161, 4143271), (181, 3685451), (253, 2636627), (1267, 526493), (1771, 376661), (1991, 335041), (2081, 320551), (4163, 160237), (13937, 47863), (14567, 45793), (22891, 29141)]