208579408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2243

約数の個数: 40

約数和(自身を含む): 419346176

約数和(自身を除く): 210766768

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 248, 422, 496, 844, 1688, 1993, 3376, 3986, 6541, 7972, 13082, 15944, 26164, 31888, 52328, 61783, 104656, 123566, 247132, 420523, 494264, 841046, 988528, 1682092, 3364184, 6728368, 13036213, 26072426, 52144852, 104289704, 208579408]

約数ペア:

[(1, 208579408), (2, 104289704), (4, 52144852), (8, 26072426), (16, 13036213), (31, 6728368), (62, 3364184), (124, 1682092), (211, 988528), (248, 841046), (422, 494264), (496, 420523), (844, 247132), (1688, 123566), (1993, 104656), (3376, 61783), (3986, 52328), (6541, 31888), (7972, 26164), (13082, 15944)]