168238217

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 207498240

約数和(自身を除く): 39260023

約数列:

[1, 7, 19, 49, 133, 157, 931, 1099, 1151, 2983, 7693, 8057, 20881, 21869, 56399, 146167, 153083, 180707, 1071581, 1264949, 3433433, 8854643, 24034031, 168238217]

約数ペア:

[(1, 168238217), (7, 24034031), (19, 8854643), (49, 3433433), (133, 1264949), (157, 1071581), (931, 180707), (1099, 153083), (1151, 146167), (2983, 56399), (7693, 21869), (8057, 20881)]