1397489426

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1\times {\mathrm{6521}}^1$

素因数の和:7897

約数の個数: 16

約数和(自身を含む): 2123458848

約数和(自身を除く): 725969422

約数列:

[1, 2, 83, 166, 1291, 2582, 6521, 13042, 107153, 214306, 541243, 1082486, 8418611, 16837222, 698744713, 1397489426]

約数ペア:

[(1, 1397489426), (2, 698744713), (83, 16837222), (166, 8418611), (1291, 1082486), (2582, 541243), (6521, 214306), (13042, 107153)]