31847618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20389}}^1$

素因数の和:20473

約数の個数: 16

約数和(自身を含む): 52850880

約数和(自身を除く): 21003262

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20389, 40778, 224279, 448558, 1447619, 2895238, 15923809, 31847618]

約数ペア:

[(1, 31847618), (2, 15923809), (11, 2895238), (22, 1447619), (71, 448558), (142, 224279), (781, 40778), (1562, 20389)]