28409446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 20377754

約数列:

[1, 2, 13, 19, 26, 38, 131, 247, 262, 439, 494, 878, 1703, 2489, 3406, 4978, 5707, 8341, 11414, 16682, 32357, 57509, 64714, 108433, 115018, 216866, 747617, 1092671, 1495234, 2185342, 14204723, 28409446]

約数ペア:

[(1, 28409446), (2, 14204723), (13, 2185342), (19, 1495234), (26, 1092671), (38, 747617), (131, 216866), (247, 115018), (262, 108433), (439, 64714), (494, 57509), (878, 32357), (1703, 16682), (2489, 11414), (3406, 8341), (4978, 5707)]