31422754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20201

約数の個数: 16

約数和(自身を含む): 52145856

約数和(自身を除く): 20723102

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20117, 40234, 221287, 442574, 1428307, 2856614, 15711377, 31422754]

約数ペア:

[(1, 31422754), (2, 15711377), (11, 2856614), (22, 1428307), (71, 442574), (142, 221287), (781, 40234), (1562, 20117)]