27891388

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 31076612

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 343, 406, 686, 701, 812, 1372, 1402, 1421, 2804, 2842, 4907, 5684, 9814, 9947, 19628, 19894, 20329, 34349, 39788, 40658, 68698, 81316, 137396, 142303, 240443, 284606, 480886, 569212, 961772, 996121, 1992242, 3984484, 6972847, 13945694, 27891388]

約数ペア:

[(1, 27891388), (2, 13945694), (4, 6972847), (7, 3984484), (14, 1992242), (28, 996121), (29, 961772), (49, 569212), (58, 480886), (98, 284606), (116, 240443), (196, 142303), (203, 137396), (343, 81316), (406, 68698), (686, 40658), (701, 39788), (812, 34349), (1372, 20329), (1402, 19894), (1421, 19628), (2804, 9947), (2842, 9814), (4907, 5684)]