28587713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2671}}^1$

素因数の和:2828

約数の個数: 16

約数和(自身を含む): 35911680

約数和(自身を除く): 7323967

約数列:

[1, 7, 11, 77, 139, 973, 1529, 2671, 10703, 18697, 29381, 205667, 371269, 2598883, 4083959, 28587713]

約数ペア:

[(1, 28587713), (7, 4083959), (11, 2598883), (77, 371269), (139, 205667), (973, 29381), (1529, 18697), (2671, 10703)]