128464388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{13649}}^1$

素因数の和:13847

約数の個数: 24

約数和(自身を含む): 243461400

約数和(自身を除く): 114997012

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 9412, 13649, 27298, 54596, 177437, 354874, 709748, 2470469, 4940938, 9881876, 32116097, 64232194, 128464388]

約数ペア:

[(1, 128464388), (2, 64232194), (4, 32116097), (13, 9881876), (26, 4940938), (52, 2470469), (181, 709748), (362, 354874), (724, 177437), (2353, 54596), (4706, 27298), (9412, 13649)]