31001872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 65844000

約数和(自身を除く): 34842128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 353, 499, 706, 998, 1412, 1996, 2824, 3883, 3992, 5489, 5648, 7766, 7984, 10978, 15532, 21956, 31064, 43912, 62128, 87824, 176147, 352294, 704588, 1409176, 1937617, 2818352, 3875234, 7750468, 15500936, 31001872]

約数ペア:

[(1, 31001872), (2, 15500936), (4, 7750468), (8, 3875234), (11, 2818352), (16, 1937617), (22, 1409176), (44, 704588), (88, 352294), (176, 176147), (353, 87824), (499, 62128), (706, 43912), (998, 31064), (1412, 21956), (1996, 15532), (2824, 10978), (3883, 7984), (3992, 7766), (5489, 5648)]