211066928

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{20389}}^1$

素因数の和:21044

約数の個数: 20

約数和(自身を含む): 409594320

約数和(自身を除く): 198527392

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 20389, 40778, 81556, 163112, 326224, 13191683, 26383366, 52766732, 105533464, 211066928]

約数ペア:

[(1, 211066928), (2, 105533464), (4, 52766732), (8, 26383366), (16, 13191683), (647, 326224), (1294, 163112), (2588, 81556), (5176, 40778), (10352, 20389)]