28217872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{76679}}^1$

素因数の和:76710

約数の個数: 20

約数和(自身を含む): 57049920

約数和(自身を除く): 28832048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 76679, 153358, 306716, 613432, 1226864, 1763617, 3527234, 7054468, 14108936, 28217872]

約数ペア:

[(1, 28217872), (2, 14108936), (4, 7054468), (8, 3527234), (16, 1763617), (23, 1226864), (46, 613432), (92, 306716), (184, 153358), (368, 76679)]