28749679

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 35893248

約数和(自身を除く): 7143569

約数列:

[1, 7, 19, 31, 133, 217, 361, 367, 589, 2527, 2569, 4123, 6973, 11191, 11377, 48811, 78337, 79639, 132487, 216163, 927409, 1513141, 4107097, 28749679]

約数ペア:

[(1, 28749679), (7, 4107097), (19, 1513141), (31, 927409), (133, 216163), (217, 132487), (361, 79639), (367, 78337), (589, 48811), (2527, 11377), (2569, 11191), (4123, 6973)]