25980143

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 6031057

約数列:

[1, 7, 29, 47, 49, 203, 329, 389, 1363, 1421, 2303, 2723, 9541, 11281, 18283, 19061, 66787, 78967, 127981, 530207, 552769, 895867, 3711449, 25980143]

約数ペア:

[(1, 25980143), (7, 3711449), (29, 895867), (47, 552769), (49, 530207), (203, 127981), (329, 78967), (389, 66787), (1363, 19061), (1421, 18283), (2303, 11281), (2723, 9541)]