28318562

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{691}}^1$

素因数の和:1385

約数の個数: 16

約数和(自身を含む): 43977984

約数和(自身を除く): 15659422

約数列:

[1, 2, 31, 62, 661, 691, 1322, 1382, 20491, 21421, 40982, 42842, 456751, 913502, 14159281, 28318562]

約数ペア:

[(1, 28318562), (2, 14159281), (31, 913502), (62, 456751), (661, 42842), (691, 40982), (1322, 21421), (1382, 20491)]