147989968

素因数分解:

$2^4\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1999}}^1$

素因数の和:2675

約数の個数: 40

約数和(自身を含む): 328352000

約数和(自身を除く): 180362032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 661, 1322, 1999, 2644, 3998, 4627, 5288, 7996, 9254, 10576, 13993, 15992, 18508, 27986, 31984, 37016, 55972, 74032, 111944, 223888, 1321339, 2642678, 5285356, 9249373, 10570712, 18498746, 21141424, 36997492, 73994984, 147989968]

約数ペア:

[(1, 147989968), (2, 73994984), (4, 36997492), (7, 21141424), (8, 18498746), (14, 10570712), (16, 9249373), (28, 5285356), (56, 2642678), (112, 1321339), (661, 223888), (1322, 111944), (1999, 74032), (2644, 55972), (3998, 37016), (4627, 31984), (5288, 27986), (7996, 18508), (9254, 15992), (10576, 13993)]