209565574

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 331752960

約数和(自身を除く): 122187386

約数列:

[1, 2, 43, 47, 86, 94, 139, 278, 373, 746, 2021, 4042, 5977, 6533, 11954, 13066, 16039, 17531, 32078, 35062, 51847, 103694, 280919, 561838, 753833, 1507666, 2229421, 2436809, 4458842, 4873618, 104782787, 209565574]

約数ペア:

[(1, 209565574), (2, 104782787), (43, 4873618), (47, 4458842), (86, 2436809), (94, 2229421), (139, 1507666), (278, 753833), (373, 561838), (746, 280919), (2021, 103694), (4042, 51847), (5977, 35062), (6533, 32078), (11954, 17531), (13066, 16039)]