51981274

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:822

約数の個数: 24

約数和(自身を含む): 83553120

約数和(自身を除く): 31571846

約数列:

[1, 2, 17, 34, 139, 278, 289, 578, 647, 1294, 2363, 4726, 10999, 21998, 40171, 80342, 89933, 179866, 186983, 373966, 1528861, 3057722, 25990637, 51981274]

約数ペア:

[(1, 51981274), (2, 25990637), (17, 3057722), (34, 1528861), (139, 373966), (278, 186983), (289, 179866), (578, 89933), (647, 80342), (1294, 40171), (2363, 21998), (4726, 10999)]