28706788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1627}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 54974304

約数和(自身を除く): 26267516

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 1604, 1627, 3254, 4411, 6508, 8822, 17644, 17897, 35794, 71588, 652427, 1304854, 2609708, 7176697, 14353394, 28706788]

約数ペア:

[(1, 28706788), (2, 14353394), (4, 7176697), (11, 2609708), (22, 1304854), (44, 652427), (401, 71588), (802, 35794), (1604, 17897), (1627, 17644), (3254, 8822), (4411, 6508)]