278996368

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{42221}}^1$

素因数の和:42295

約数の個数: 40

約数和(自身を含む): 628263360

約数和(自身を除く): 349266992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 42221, 84442, 168884, 295547, 337768, 591094, 675536, 1182188, 2364376, 2491039, 4728752, 4982078, 9964156, 17437273, 19928312, 34874546, 39856624, 69749092, 139498184, 278996368]

約数ペア:

[(1, 278996368), (2, 139498184), (4, 69749092), (7, 39856624), (8, 34874546), (14, 19928312), (16, 17437273), (28, 9964156), (56, 4982078), (59, 4728752), (112, 2491039), (118, 2364376), (236, 1182188), (413, 675536), (472, 591094), (826, 337768), (944, 295547), (1652, 168884), (3304, 84442), (6608, 42221)]