2009574008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{20107}}^1$

素因数の和:20188

約数の個数: 48

約数和(自身を含む): 4193121240

約数和(自身を除く): 2183547232

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 3224, 3844, 7688, 12493, 20107, 24986, 40214, 49972, 80428, 99944, 160856, 261391, 522782, 623317, 1045564, 1246634, 2091128, 2493268, 4986536, 8103121, 16206242, 19322827, 32412484, 38645654, 64824968, 77291308, 154582616, 251196751, 502393502, 1004787004, 2009574008]

約数ペア:

[(1, 2009574008), (2, 1004787004), (4, 502393502), (8, 251196751), (13, 154582616), (26, 77291308), (31, 64824968), (52, 38645654), (62, 32412484), (104, 19322827), (124, 16206242), (248, 8103121), (403, 4986536), (806, 2493268), (961, 2091128), (1612, 1246634), (1922, 1045564), (3224, 623317), (3844, 522782), (7688, 261391), (12493, 160856), (20107, 99944), (24986, 80428), (40214, 49972)]