261004772

素因数分解:

$2^2\times 7^2\times {\mathrm{1331657}}^1$

素因数の和:1331675

約数の個数: 18

約数和(自身を含む): 531331542

約数和(自身を除く): 270326770

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1331657, 2663314, 5326628, 9321599, 18643198, 37286396, 65251193, 130502386, 261004772]

約数ペア:

[(1, 261004772), (2, 130502386), (4, 65251193), (7, 37286396), (14, 18643198), (28, 9321599), (49, 5326628), (98, 2663314), (196, 1331657)]