128809928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23369}}^1$

素因数の和:23441

約数の個数: 32

約数和(自身を含む): 265015800

約数和(自身を除く): 136205872

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 23369, 46738, 93476, 186952, 303797, 607594, 1215188, 1238557, 2430376, 2477114, 4954228, 9908456, 16101241, 32202482, 64404964, 128809928]

約数ペア:

[(1, 128809928), (2, 64404964), (4, 32202482), (8, 16101241), (13, 9908456), (26, 4954228), (52, 2477114), (53, 2430376), (104, 1238557), (106, 1215188), (212, 607594), (424, 303797), (689, 186952), (1378, 93476), (2756, 46738), (5512, 23369)]