213824

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:282

約数の個数: 28

約数和(自身を含む): 458724

約数和(自身を除く): 244900

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 257, 416, 514, 832, 1028, 2056, 3341, 4112, 6682, 8224, 13364, 16448, 26728, 53456, 106912, 213824]

約数ペア:

[(1, 213824), (2, 106912), (4, 53456), (8, 26728), (13, 16448), (16, 13364), (26, 8224), (32, 6682), (52, 4112), (64, 3341), (104, 2056), (208, 1028), (257, 832), (416, 514)]