7991921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 9745920

約数和(自身を除く): 1753999

約数列:

[1, 7, 17, 119, 239, 281, 1673, 1967, 4063, 4777, 28441, 33439, 67159, 470113, 1141703, 7991921]

約数ペア:

[(1, 7991921), (7, 1141703), (17, 470113), (119, 67159), (239, 33439), (281, 28441), (1673, 4777), (1967, 4063)]