205122728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{1487}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 394796160

約数和(自身を除く): 189673432

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 401, 802, 1487, 1604, 2974, 3208, 5948, 11896, 17243, 34486, 63941, 68972, 127882, 137944, 255764, 511528, 596287, 1192574, 2385148, 4770296, 25640341, 51280682, 102561364, 205122728]

約数ペア:

[(1, 205122728), (2, 102561364), (4, 51280682), (8, 25640341), (43, 4770296), (86, 2385148), (172, 1192574), (344, 596287), (401, 511528), (802, 255764), (1487, 137944), (1604, 127882), (2974, 68972), (3208, 63941), (5948, 34486), (11896, 17243)]