11987450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1426

約数の個数: 24

約数和(自身を含む): 22428252

約数和(自身を除く): 10440802

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1217, 1970, 2434, 4925, 6085, 9850, 12170, 30425, 60850, 239749, 479498, 1198745, 2397490, 5993725, 11987450]

約数ペア:

[(1, 11987450), (2, 5993725), (5, 2397490), (10, 1198745), (25, 479498), (50, 239749), (197, 60850), (394, 30425), (985, 12170), (1217, 9850), (1970, 6085), (2434, 4925)]