28128086

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{2389}}^1$

素因数の和:2456

約数の個数: 24

約数和(自身を含む): 49960560

約数和(自身を除く): 21832474

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 841, 1682, 2389, 4778, 5887, 11774, 16723, 33446, 69281, 138562, 484967, 969934, 2009149, 4018298, 14064043, 28128086]

約数ペア:

[(1, 28128086), (2, 14064043), (7, 4018298), (14, 2009149), (29, 969934), (58, 484967), (203, 138562), (406, 69281), (841, 33446), (1682, 16723), (2389, 11774), (4778, 5887)]