217772471

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{5827}}^1$

素因数の和:6134

約数の個数: 16

約数和(自身を含む): 262959360

約数和(自身を除く): 45186889

約数列:

[1, 7, 19, 133, 281, 1967, 5339, 5827, 37373, 40789, 110713, 774991, 1637387, 11461709, 31110353, 217772471]

約数ペア:

[(1, 217772471), (7, 31110353), (19, 11461709), (133, 1637387), (281, 774991), (1967, 110713), (5339, 40789), (5827, 37373)]