1285497728

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{233557}}^1$

素因数の和:233614

約数の個数: 32

約数和(自身を含む): 2620520760

約数和(自身を除く): 1335023032

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 233557, 467114, 934228, 1868456, 3736912, 7473824, 10042951, 14947648, 20085902, 29895296, 40171804, 80343608, 160687216, 321374432, 642748864, 1285497728]

約数ペア:

[(1, 1285497728), (2, 642748864), (4, 321374432), (8, 160687216), (16, 80343608), (32, 40171804), (43, 29895296), (64, 20085902), (86, 14947648), (128, 10042951), (172, 7473824), (344, 3736912), (688, 1868456), (1376, 934228), (2752, 467114), (5504, 233557)]