7840295

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 9828000

約数和(自身を除く): 1987705

約数列:

[1, 5, 29, 139, 145, 389, 695, 1945, 4031, 11281, 20155, 54071, 56405, 270355, 1568059, 7840295]

約数ペア:

[(1, 7840295), (5, 1568059), (29, 270355), (139, 56405), (145, 54071), (389, 20155), (695, 11281), (1945, 4031)]