78515556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3637}}^1$

素因数の和:3908

約数の個数: 48

約数和(自身を含む): 210247296

約数和(自身を除く): 131731740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 1028, 1542, 1799, 3084, 3598, 3637, 5397, 7196, 7274, 10794, 10911, 14548, 21588, 21822, 25459, 43644, 50918, 76377, 101836, 152754, 305508, 934709, 1869418, 2804127, 3738836, 5608254, 6542963, 11216508, 13085926, 19628889, 26171852, 39257778, 78515556]

約数ペア:

[(1, 78515556), (2, 39257778), (3, 26171852), (4, 19628889), (6, 13085926), (7, 11216508), (12, 6542963), (14, 5608254), (21, 3738836), (28, 2804127), (42, 1869418), (84, 934709), (257, 305508), (514, 152754), (771, 101836), (1028, 76377), (1542, 50918), (1799, 43644), (3084, 25459), (3598, 21822), (3637, 21588), (5397, 14548), (7196, 10911), (7274, 10794)]