68613902

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257947}}^1$

素因数の和:257975

約数の個数: 16

約数和(自身を含む): 123815040

約数和(自身を除く): 55201138

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 257947, 515894, 1805629, 3611258, 4900993, 9801986, 34306951, 68613902]

約数ペア:

[(1, 68613902), (2, 34306951), (7, 9801986), (14, 4900993), (19, 3611258), (38, 1805629), (133, 515894), (266, 257947)]