40321468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12907}}^1$

素因数の和:12993

約数の個数: 24

約数和(自身を含む): 78067584

約数和(自身を除く): 37746116

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 12907, 25814, 51628, 141977, 283954, 567908, 916397, 1832794, 3665588, 10080367, 20160734, 40321468]

約数ペア:

[(1, 40321468), (2, 20160734), (4, 10080367), (11, 3665588), (22, 1832794), (44, 916397), (71, 567908), (142, 283954), (284, 141977), (781, 51628), (1562, 25814), (3124, 12907)]