28103978

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 49486464

約数和(自身を除く): 21382486

約数列:

[1, 2, 7, 14, 73, 107, 146, 214, 257, 511, 514, 749, 1022, 1498, 1799, 3598, 7811, 15622, 18761, 27499, 37522, 54677, 54998, 109354, 131327, 192493, 262654, 384986, 2007427, 4014854, 14051989, 28103978]

約数ペア:

[(1, 28103978), (2, 14051989), (7, 4014854), (14, 2007427), (73, 384986), (107, 262654), (146, 192493), (214, 131327), (257, 109354), (511, 54998), (514, 54677), (749, 37522), (1022, 27499), (1498, 18761), (1799, 15622), (3598, 7811)]