28799966

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:780

約数の個数: 24

約数和(自身を含む): 47192040

約数和(自身を除く): 18392074

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 613, 1226, 1807, 3614, 7969, 15938, 23491, 46982, 85207, 103597, 170414, 207194, 1107691, 2215382, 14399983, 28799966]

約数ペア:

[(1, 28799966), (2, 14399983), (13, 2215382), (26, 1107691), (139, 207194), (169, 170414), (278, 103597), (338, 85207), (613, 46982), (1226, 23491), (1807, 15938), (3614, 7969)]