25878028

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 50288896

約数和(自身を除く): 24410868

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 421, 484, 508, 842, 1397, 1684, 2794, 4631, 5588, 9262, 15367, 18524, 30734, 50941, 53467, 61468, 101882, 106934, 203764, 213868, 588137, 1176274, 2352548, 6469507, 12939014, 25878028]

約数ペア:

[(1, 25878028), (2, 12939014), (4, 6469507), (11, 2352548), (22, 1176274), (44, 588137), (121, 213868), (127, 203764), (242, 106934), (254, 101882), (421, 61468), (484, 53467), (508, 50941), (842, 30734), (1397, 18524), (1684, 15367), (2794, 9262), (4631, 5588)]