637989268

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{34471}}^1$

素因数の和:35143

約数の個数: 24

約数和(自身を含む): 1277945984

約数和(自身を除く): 639956716

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 9254, 18508, 34471, 68942, 137884, 241297, 482594, 965188, 22785331, 45570662, 91141324, 159497317, 318994634, 637989268]

約数ペア:

[(1, 637989268), (2, 318994634), (4, 159497317), (7, 91141324), (14, 45570662), (28, 22785331), (661, 965188), (1322, 482594), (2644, 241297), (4627, 137884), (9254, 68942), (18508, 34471)]