25581028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{907}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 48966624

約数和(自身を除く): 23385596

約数列:

[1, 2, 4, 11, 22, 44, 641, 907, 1282, 1814, 2564, 3628, 7051, 9977, 14102, 19954, 28204, 39908, 581387, 1162774, 2325548, 6395257, 12790514, 25581028]

約数ペア:

[(1, 25581028), (2, 12790514), (4, 6395257), (11, 2325548), (22, 1162774), (44, 581387), (641, 39908), (907, 28204), (1282, 19954), (1814, 14102), (2564, 9977), (3628, 7051)]