68208518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{256423}}^1$

素因数の和:256451

約数の個数: 16

約数和(自身を含む): 123083520

約数和(自身を除く): 54875002

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 256423, 512846, 1794961, 3589922, 4872037, 9744074, 34104259, 68208518]

約数ペア:

[(1, 68208518), (2, 34104259), (7, 9744074), (14, 4872037), (19, 3589922), (38, 1794961), (133, 512846), (266, 256423)]