1289564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 2395008

約数和(自身を除く): 1105444

約数列:

[1, 2, 4, 23, 46, 92, 107, 131, 214, 262, 428, 524, 2461, 3013, 4922, 6026, 9844, 12052, 14017, 28034, 56068, 322391, 644782, 1289564]

約数ペア:

[(1, 1289564), (2, 644782), (4, 322391), (23, 56068), (46, 28034), (92, 14017), (107, 12052), (131, 9844), (214, 6026), (262, 4922), (428, 3013), (524, 2461)]