78824290

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{3967}}^1$

素因数の和:5961

約数の個数: 16

約数和(自身を含む): 141990912

約数和(自身を除く): 63166622

約数列:

[1, 2, 5, 10, 1987, 3967, 3974, 7934, 9935, 19835, 19870, 39670, 7882429, 15764858, 39412145, 78824290]

約数ペア:

[(1, 78824290), (2, 39412145), (5, 15764858), (10, 7882429), (1987, 39670), (3967, 19870), (3974, 19835), (7934, 9935)]