139690747

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 161885952

約数和(自身を除く): 22195205

約数列:

[1, 7, 107, 421, 443, 749, 2947, 3101, 45047, 47401, 186503, 315329, 331807, 1305521, 19955821, 139690747]

約数ペア:

[(1, 139690747), (7, 19955821), (107, 1305521), (421, 331807), (443, 315329), (749, 186503), (2947, 47401), (3101, 45047)]