12486439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 15124480

約数和(自身を除く): 2638041

約数列:

[1, 7, 19, 133, 223, 421, 1561, 2947, 4237, 7999, 29659, 55993, 93883, 657181, 1783777, 12486439]

約数ペア:

[(1, 12486439), (7, 1783777), (19, 657181), (133, 93883), (223, 55993), (421, 29659), (1561, 7999), (2947, 4237)]