191818991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{2269}}^1$

素因数の和:3218

約数の個数: 16

約数和(自身を含む): 236443200

約数和(自身を除く): 44624209

約数列:

[1, 7, 13, 91, 929, 2269, 6503, 12077, 15883, 29497, 84539, 206479, 2107901, 14755307, 27402713, 191818991]

約数ペア:

[(1, 191818991), (7, 27402713), (13, 14755307), (91, 2107901), (929, 206479), (2269, 84539), (6503, 29497), (12077, 15883)]