680777744

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{126257}}^1$

素因数の和:126602

約数の個数: 20

約数和(自身を含む): 1322931324

約数和(自身を除く): 642153580

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 5392, 126257, 252514, 505028, 1010056, 2020112, 42548609, 85097218, 170194436, 340388872, 680777744]

約数ペア:

[(1, 680777744), (2, 340388872), (4, 170194436), (8, 85097218), (16, 42548609), (337, 2020112), (674, 1010056), (1348, 505028), (2696, 252514), (5392, 126257)]