388992212

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{32999}}^1$

素因数の和:33431

約数の個数: 24

約数和(自身を含む): 779856000

約数和(自身を除く): 390863788

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 32999, 65998, 131996, 230993, 461986, 923972, 13892579, 27785158, 55570316, 97248053, 194496106, 388992212]

約数ペア:

[(1, 388992212), (2, 194496106), (4, 97248053), (7, 55570316), (14, 27785158), (28, 13892579), (421, 923972), (842, 461986), (1684, 230993), (2947, 131996), (5894, 65998), (11788, 32999)]