13440908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 25978680

約数和(自身を除く): 12537772

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 169, 236, 337, 338, 674, 676, 767, 1348, 1534, 3068, 4381, 8762, 9971, 17524, 19883, 19942, 39766, 39884, 56953, 79532, 113906, 227812, 258479, 516958, 1033916, 3360227, 6720454, 13440908]

約数ペア:

[(1, 13440908), (2, 6720454), (4, 3360227), (13, 1033916), (26, 516958), (52, 258479), (59, 227812), (118, 113906), (169, 79532), (236, 56953), (337, 39884), (338, 39766), (674, 19942), (676, 19883), (767, 17524), (1348, 9971), (1534, 8762), (3068, 4381)]