31987274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21701}}^1$

素因数の和:21781

約数の個数: 16

約数和(自身を含む): 53126496

約数和(自身を除く): 21139222

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 21701, 43402, 238711, 477422, 1453967, 2907934, 15993637, 31987274]

約数ペア:

[(1, 31987274), (2, 15993637), (11, 2907934), (22, 1453967), (67, 477422), (134, 238711), (737, 43402), (1474, 21701)]