77990885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71881}}^1$

素因数の和:71924

約数の個数: 16

約数和(自身を含む): 110410752

約数和(自身を除く): 32419867

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 71881, 359405, 503167, 2228311, 2515835, 11141555, 15598177, 77990885]

約数ペア:

[(1, 77990885), (5, 15598177), (7, 11141555), (31, 2515835), (35, 2228311), (155, 503167), (217, 359405), (1085, 71881)]