26988455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 37837080

約数和(自身を除く): 10848625

約数列:

[1, 5, 13, 19, 41, 65, 95, 169, 205, 247, 533, 779, 845, 1235, 1681, 2665, 3211, 3895, 6929, 8405, 10127, 16055, 21853, 31939, 34645, 50635, 109265, 131651, 159695, 284089, 415207, 658255, 1420445, 2076035, 5397691, 26988455]

約数ペア:

[(1, 26988455), (5, 5397691), (13, 2076035), (19, 1420445), (41, 658255), (65, 415207), (95, 284089), (169, 159695), (205, 131651), (247, 109265), (533, 50635), (779, 34645), (845, 31939), (1235, 21853), (1681, 16055), (2665, 10127), (3211, 8405), (3895, 6929)]