256218074

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{1499}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 455760000

約数和(自身を除く): 199541926

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 421, 842, 1499, 2947, 2998, 5894, 10493, 12209, 20986, 24418, 43471, 85463, 86942, 170926, 304297, 608594, 631079, 1262158, 4417553, 8835106, 18301291, 36602582, 128109037, 256218074]

約数ペア:

[(1, 256218074), (2, 128109037), (7, 36602582), (14, 18301291), (29, 8835106), (58, 4417553), (203, 1262158), (406, 631079), (421, 608594), (842, 304297), (1499, 170926), (2947, 86942), (2998, 85463), (5894, 43471), (10493, 24418), (12209, 20986)]