243996986

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{21407}}^1$

素因数の和:21589

約数の個数: 16

約数和(自身を含む): 377637120

約数和(自身を除く): 133640134

約数列:

[1, 2, 41, 82, 139, 278, 5699, 11398, 21407, 42814, 877687, 1755374, 2975573, 5951146, 121998493, 243996986]

約数ペア:

[(1, 243996986), (2, 121998493), (41, 5951146), (82, 2975573), (139, 1755374), (278, 877687), (5699, 42814), (11398, 21407)]