639218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 16

約数和(自身を含む): 1010880

約数和(自身を除く): 371662

約数列:

[1, 2, 29, 58, 103, 107, 206, 214, 2987, 3103, 5974, 6206, 11021, 22042, 319609, 639218]

約数ペア:

[(1, 639218), (2, 319609), (29, 22042), (58, 11021), (103, 6206), (107, 5974), (206, 3103), (214, 2987)]