209905616

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{36341}}^1$

素因数の和:36387

約数の個数: 30

約数和(自身を含む): 429235362

約数和(自身を除く): 219329746

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 36341, 72682, 145364, 290728, 581456, 690479, 1380958, 2761916, 5523832, 11047664, 13119101, 26238202, 52476404, 104952808, 209905616]

約数ペア:

[(1, 209905616), (2, 104952808), (4, 52476404), (8, 26238202), (16, 13119101), (19, 11047664), (38, 5523832), (76, 2761916), (152, 1380958), (304, 690479), (361, 581456), (722, 290728), (1444, 145364), (2888, 72682), (5776, 36341)]