31782014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20347}}^1$

素因数の和:20431

約数の個数: 16

約数和(自身を含む): 52742016

約数和(自身を除く): 20960002

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20347, 40694, 223817, 447634, 1444637, 2889274, 15891007, 31782014]

約数ペア:

[(1, 31782014), (2, 15891007), (11, 2889274), (22, 1444637), (71, 447634), (142, 223817), (781, 40694), (1562, 20347)]