168979321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{9629}}^1$

素因数の和:9768

約数の個数: 16

約数和(自身を含む): 203385600

約数和(自身を除く): 34406279

約数列:

[1, 7, 23, 109, 161, 763, 2507, 9629, 17549, 67403, 221467, 1049561, 1550269, 7346927, 24139903, 168979321]

約数ペア:

[(1, 168979321), (7, 24139903), (23, 7346927), (109, 1550269), (161, 1049561), (763, 221467), (2507, 67403), (9629, 17549)]