319138904

素因数分解:

$2^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{8863}}^1$

素因数の和:9519

約数の個数: 32

約数和(自身を含む): 685009920

約数和(自身を除く): 365871016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 643, 1286, 2572, 4501, 5144, 8863, 9002, 17726, 18004, 35452, 36008, 62041, 70904, 124082, 248164, 496328, 5698909, 11397818, 22795636, 39892363, 45591272, 79784726, 159569452, 319138904]

約数ペア:

[(1, 319138904), (2, 159569452), (4, 79784726), (7, 45591272), (8, 39892363), (14, 22795636), (28, 11397818), (56, 5698909), (643, 496328), (1286, 248164), (2572, 124082), (4501, 70904), (5144, 62041), (8863, 36008), (9002, 35452), (17726, 18004)]