81978124

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6529}}^1$

素因数の和:6649

約数の個数: 24

約数和(自身を含む): 148831760

約数和(自身を除く): 66853636

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 3139, 6278, 6529, 12556, 13058, 26116, 280747, 476617, 561494, 953234, 1122988, 1906468, 20494531, 40989062, 81978124]

約数ペア:

[(1, 81978124), (2, 40989062), (4, 20494531), (43, 1906468), (73, 1122988), (86, 953234), (146, 561494), (172, 476617), (292, 280747), (3139, 26116), (6278, 13058), (6529, 12556)]