128257072

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{79367}}^1$

素因数の和:79476

約数の個数: 20

約数和(自身を含む): 250961616

約数和(自身を除く): 122704544

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 79367, 158734, 317468, 634936, 1269872, 8016067, 16032134, 32064268, 64128536, 128257072]

約数ペア:

[(1, 128257072), (2, 64128536), (4, 32064268), (8, 16032134), (16, 8016067), (101, 1269872), (202, 634936), (404, 317468), (808, 158734), (1616, 79367)]