31272802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20021}}^1$

素因数の和:20105

約数の個数: 16

約数和(自身を含む): 51897024

約数和(自身を除く): 20624222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20021, 40042, 220231, 440462, 1421491, 2842982, 15636401, 31272802]

約数ペア:

[(1, 31272802), (2, 15636401), (11, 2842982), (22, 1421491), (71, 440462), (142, 220231), (781, 40042), (1562, 20021)]