27931556

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 49902720

約数和(自身を除く): 21971164

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 563, 628, 1126, 2252, 12403, 24806, 44477, 49612, 88391, 88954, 176782, 177908, 353564, 6982889, 13965778, 27931556]

約数ペア:

[(1, 27931556), (2, 13965778), (4, 6982889), (79, 353564), (157, 177908), (158, 176782), (314, 88954), (316, 88391), (563, 49612), (628, 44477), (1126, 24806), (2252, 12403)]