638996826039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26881}}^1\times {\mathrm{55411}}^1$

素因数の和:82319

約数の個数: 32

約数和(自身を含む): 1001001378048

約数和(自身を除く): 362004552009

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 26881, 55411, 80643, 166233, 295691, 349453, 609521, 720343, 887073, 1048359, 1828563, 2161029, 3843983, 7923773, 11531949, 23771319, 1489503091, 4468509273, 16384534001, 19363540183, 49153602003, 58090620549, 212998942013, 638996826039]

約数ペア:

[(1, 638996826039), (3, 212998942013), (11, 58090620549), (13, 49153602003), (33, 19363540183), (39, 16384534001), (143, 4468509273), (429, 1489503091), (26881, 23771319), (55411, 11531949), (80643, 7923773), (166233, 3843983), (295691, 2161029), (349453, 1828563), (609521, 1048359), (720343, 887073)]