16540979

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 21641760

約数和(自身を除く): 5100781

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 1129, 2093, 7903, 14651, 14677, 25967, 55321, 102739, 181769, 337571, 719173, 1272383, 2362997, 16540979]

約数ペア:

[(1, 16540979), (7, 2362997), (13, 1272383), (23, 719173), (49, 337571), (91, 181769), (161, 102739), (299, 55321), (637, 25967), (1127, 14677), (1129, 14651), (2093, 7903)]