28003612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 32960228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 719, 749, 1391, 1438, 1498, 2782, 2876, 2996, 5033, 5564, 9347, 9737, 10066, 18694, 19474, 20132, 37388, 38948, 65429, 76933, 130858, 153866, 261716, 307732, 538531, 1000129, 1077062, 2000258, 2154124, 4000516, 7000903, 14001806, 28003612]

約数ペア:

[(1, 28003612), (2, 14001806), (4, 7000903), (7, 4000516), (13, 2154124), (14, 2000258), (26, 1077062), (28, 1000129), (52, 538531), (91, 307732), (107, 261716), (182, 153866), (214, 130858), (364, 76933), (428, 65429), (719, 38948), (749, 37388), (1391, 20132), (1438, 19474), (1498, 18694), (2782, 10066), (2876, 9737), (2996, 9347), (5033, 5564)]