25871978

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{9719}}^1$

素因数の和:9754

約数の個数: 16

約数和(自身を含む): 42690240

約数和(自身を除く): 16818262

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 9719, 19438, 106909, 213818, 1175999, 2351998, 12935989, 25871978]

約数ペア:

[(1, 25871978), (2, 12935989), (11, 2351998), (22, 1175999), (121, 213818), (242, 106909), (1331, 19438), (2662, 9719)]