809515984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2339

約数の個数: 40

約数和(自身を含む): 1589238560

約数和(自身を除く): 779722576

約数列:

[1, 2, 4, 8, 16, 139, 181, 278, 362, 556, 724, 1112, 1448, 2011, 2224, 2896, 4022, 8044, 16088, 25159, 32176, 50318, 100636, 201272, 279529, 363991, 402544, 559058, 727982, 1118116, 1455964, 2236232, 2911928, 4472464, 5823856, 50594749, 101189498, 202378996, 404757992, 809515984]

約数ペア:

[(1, 809515984), (2, 404757992), (4, 202378996), (8, 101189498), (16, 50594749), (139, 5823856), (181, 4472464), (278, 2911928), (362, 2236232), (556, 1455964), (724, 1118116), (1112, 727982), (1448, 559058), (2011, 402544), (2224, 363991), (2896, 279529), (4022, 201272), (8044, 100636), (16088, 50318), (25159, 32176)]