255323516

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{3109}}^1$

素因数の和:3546

約数の個数: 36

約数和(自身を含む): 521173800

約数和(自身を除く): 265850284

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 1676, 2933, 3109, 5866, 6218, 11732, 12436, 20531, 21763, 41062, 43526, 82124, 87052, 152341, 304682, 609364, 1302671, 2605342, 5210684, 9118697, 18237394, 36474788, 63830879, 127661758, 255323516]

約数ペア:

[(1, 255323516), (2, 127661758), (4, 63830879), (7, 36474788), (14, 18237394), (28, 9118697), (49, 5210684), (98, 2605342), (196, 1302671), (419, 609364), (838, 304682), (1676, 152341), (2933, 87052), (3109, 82124), (5866, 43526), (6218, 41062), (11732, 21763), (12436, 20531)]