201078787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^2\times {\mathrm{193}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 251110496

約数和(自身を除く): 50031709

約数列:

[1, 7, 13, 91, 107, 193, 749, 1351, 1391, 2509, 9737, 11449, 17563, 20651, 80143, 144557, 148837, 268463, 1041859, 1879241, 2209657, 15467599, 28725541, 201078787]

約数ペア:

[(1, 201078787), (7, 28725541), (13, 15467599), (91, 2209657), (107, 1879241), (193, 1041859), (749, 268463), (1351, 148837), (1391, 144557), (2509, 80143), (9737, 20651), (11449, 17563)]