208013456

素因数分解:

$2^4\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1487}}^1$

素因数の和:2751

約数の個数: 40

約数和(自身を含む): 461280000

約数和(自身を除く): 253266544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1249, 1487, 2498, 2974, 4996, 5948, 8743, 9992, 10409, 11896, 17486, 19984, 20818, 23792, 34972, 41636, 69944, 83272, 139888, 166544, 1857263, 3714526, 7429052, 13000841, 14858104, 26001682, 29716208, 52003364, 104006728, 208013456]

約数ペア:

[(1, 208013456), (2, 104006728), (4, 52003364), (7, 29716208), (8, 26001682), (14, 14858104), (16, 13000841), (28, 7429052), (56, 3714526), (112, 1857263), (1249, 166544), (1487, 139888), (2498, 83272), (2974, 69944), (4996, 41636), (5948, 34972), (8743, 23792), (9992, 20818), (10409, 19984), (11896, 17486)]