128349712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{422203}}^1$

素因数の和:422230

約数の個数: 20

約数和(自身を含む): 261766480

約数和(自身を除く): 133416768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 422203, 844406, 1688812, 3377624, 6755248, 8021857, 16043714, 32087428, 64174856, 128349712]

約数ペア:

[(1, 128349712), (2, 64174856), (4, 32087428), (8, 16043714), (16, 8021857), (19, 6755248), (38, 3377624), (76, 1688812), (152, 844406), (304, 422203)]