138219515

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{28411}}^1$

素因数の和:28562

約数の個数: 16

約数和(自身を含む): 190928640

約数和(自身を除く): 52709125

約数列:

[1, 5, 7, 35, 139, 695, 973, 4865, 28411, 142055, 198877, 994385, 3949129, 19745645, 27643903, 138219515]

約数ペア:

[(1, 138219515), (5, 27643903), (7, 19745645), (35, 3949129), (139, 994385), (695, 198877), (973, 142055), (4865, 28411)]