820468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 1622880

約数和(自身を除く): 802412

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 643, 1276, 1286, 2572, 7073, 14146, 18647, 28292, 37294, 74588, 205117, 410234, 820468]

約数ペア:

[(1, 820468), (2, 410234), (4, 205117), (11, 74588), (22, 37294), (29, 28292), (44, 18647), (58, 14146), (116, 7073), (319, 2572), (638, 1286), (643, 1276)]