1999772216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{97607}}^1$

素因数の和:97823

約数の個数: 32

約数和(自身を含む): 4058540640

約数和(自身を除く): 2058768424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 10244, 20488, 97607, 195214, 390428, 780856, 1268891, 2537782, 5075564, 10151128, 19228579, 38457158, 76914316, 153828632, 249971527, 499943054, 999886108, 1999772216]

約数ペア:

[(1, 1999772216), (2, 999886108), (4, 499943054), (8, 249971527), (13, 153828632), (26, 76914316), (52, 38457158), (104, 19228579), (197, 10151128), (394, 5075564), (788, 2537782), (1576, 1268891), (2561, 780856), (5122, 390428), (10244, 195214), (20488, 97607)]