509212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 991872

約数和(自身を除く): 482660

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 163, 284, 326, 652, 781, 1562, 1793, 3124, 3586, 7172, 11573, 23146, 46292, 127303, 254606, 509212]

約数ペア:

[(1, 509212), (2, 254606), (4, 127303), (11, 46292), (22, 23146), (44, 11573), (71, 7172), (142, 3586), (163, 3124), (284, 1793), (326, 1562), (652, 781)]