6421639

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 7879680

約数和(自身を除く): 1458041

約数列:

[1, 7, 19, 53, 133, 371, 911, 1007, 6377, 7049, 17309, 48283, 121163, 337981, 917377, 6421639]

約数ペア:

[(1, 6421639), (7, 917377), (19, 337981), (53, 121163), (133, 48283), (371, 17309), (911, 7049), (1007, 6377)]