25511213

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 33085080

約数和(自身を除く): 7573867

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1381, 1421, 2639, 9667, 17953, 18473, 40049, 67669, 125671, 280343, 520637, 879697, 1962401, 3644459, 25511213]

約数ペア:

[(1, 25511213), (7, 3644459), (13, 1962401), (29, 879697), (49, 520637), (91, 280343), (203, 125671), (377, 67669), (637, 40049), (1381, 18473), (1421, 17953), (2639, 9667)]