25985211

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 15514437

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 631, 777, 1113, 1893, 1961, 4417, 5883, 13251, 13727, 23347, 33443, 41181, 70041, 100329, 163429, 234101, 490287, 702303, 1237391, 3712173, 8661737, 25985211]

約数ペア:

[(1, 25985211), (3, 8661737), (7, 3712173), (21, 1237391), (37, 702303), (53, 490287), (111, 234101), (159, 163429), (259, 100329), (371, 70041), (631, 41181), (777, 33443), (1113, 23347), (1893, 13727), (1961, 13251), (4417, 5883)]