664424

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1310610

約数和(自身を除く): 646186

約数列:

[1, 2, 4, 8, 23, 46, 92, 157, 184, 314, 529, 628, 1058, 1256, 2116, 3611, 4232, 7222, 14444, 28888, 83053, 166106, 332212, 664424]

約数ペア:

[(1, 664424), (2, 332212), (4, 166106), (8, 83053), (23, 28888), (46, 14444), (92, 7222), (157, 4232), (184, 3611), (314, 2116), (529, 1256), (628, 1058)]