16881241

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 19711296

約数和(自身を除く): 2830055

約数列:

[1, 13, 23, 43, 101, 169, 299, 559, 989, 1313, 2323, 3887, 4343, 7267, 12857, 17069, 30199, 56459, 99889, 167141, 392587, 733967, 1298557, 16881241]

約数ペア:

[(1, 16881241), (13, 1298557), (23, 733967), (43, 392587), (101, 167141), (169, 99889), (299, 56459), (559, 30199), (989, 17069), (1313, 12857), (2323, 7267), (3887, 4343)]