209921656

素因数分解:

$2^3\times 7^1\times {\mathrm{919}}^1\times {\mathrm{4079}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 450432000

約数和(自身を除く): 240510344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 919, 1838, 3676, 4079, 6433, 7352, 8158, 12866, 16316, 25732, 28553, 32632, 51464, 57106, 114212, 228424, 3748601, 7497202, 14994404, 26240207, 29988808, 52480414, 104960828, 209921656]

約数ペア:

[(1, 209921656), (2, 104960828), (4, 52480414), (7, 29988808), (8, 26240207), (14, 14994404), (28, 7497202), (56, 3748601), (919, 228424), (1838, 114212), (3676, 57106), (4079, 51464), (6433, 32632), (7352, 28553), (8158, 25732), (12866, 16316)]