199426843

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{13147}}^1$

素因数の和:13362

約数の個数: 16

約数和(自身を含む): 249917184

約数和(自身を除く): 50490341

約数列:

[1, 7, 11, 77, 197, 1379, 2167, 13147, 15169, 92029, 144617, 1012319, 2589959, 18129713, 28489549, 199426843]

約数ペア:

[(1, 199426843), (7, 28489549), (11, 18129713), (77, 2589959), (197, 1012319), (1379, 144617), (2167, 92029), (13147, 15169)]