77885556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21563}}^1$

素因数の和:21620

約数の個数: 48

約数和(自身を含む): 212534784

約数和(自身を除く): 134649228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 21563, 43126, 64689, 86252, 129378, 150941, 258756, 301882, 452823, 603764, 905646, 927209, 1811292, 1854418, 2781627, 3708836, 5563254, 6490463, 11126508, 12980926, 19471389, 25961852, 38942778, 77885556]

約数ペア:

[(1, 77885556), (2, 38942778), (3, 25961852), (4, 19471389), (6, 12980926), (7, 11126508), (12, 6490463), (14, 5563254), (21, 3708836), (28, 2781627), (42, 1854418), (43, 1811292), (84, 927209), (86, 905646), (129, 603764), (172, 452823), (258, 301882), (301, 258756), (516, 150941), (602, 129378), (903, 86252), (1204, 64689), (1806, 43126), (3612, 21563)]