13888217

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 17160192

約数和(自身を除く): 3271975

約数列:

[1, 7, 31, 41, 49, 217, 223, 287, 1271, 1519, 1561, 2009, 6913, 8897, 9143, 10927, 48391, 62279, 64001, 283433, 338737, 448007, 1984031, 13888217]

約数ペア:

[(1, 13888217), (7, 1984031), (31, 448007), (41, 338737), (49, 283433), (217, 64001), (223, 62279), (287, 48391), (1271, 10927), (1519, 9143), (1561, 8897), (2009, 6913)]