84778790

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{12269}}^1$

素因数の和:12967

約数の個数: 16

約数和(自身を含む): 152835120

約数和(自身を除く): 68056330

約数列:

[1, 2, 5, 10, 691, 1382, 3455, 6910, 12269, 24538, 61345, 122690, 8477879, 16955758, 42389395, 84778790]

約数ペア:

[(1, 84778790), (2, 42389395), (5, 16955758), (10, 8477879), (691, 122690), (1382, 61345), (3455, 24538), (6910, 12269)]