281036714

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 528111360

約数和(自身を除く): 247074646

約数列:

[1, 2, 7, 14, 19, 38, 41, 73, 82, 133, 146, 266, 287, 353, 511, 574, 706, 779, 1022, 1387, 1558, 2471, 2774, 2993, 4942, 5453, 5986, 6707, 9709, 10906, 13414, 14473, 19418, 20951, 25769, 28946, 41902, 46949, 51538, 56867, 93898, 101311, 113734, 180383, 202622, 274987, 360766, 398069, 489611, 549974, 796138, 979222, 1056529, 1924909, 2113058, 3427277, 3849818, 6854554, 7395703, 14791406, 20074051, 40148102, 140518357, 281036714]

約数ペア:

[(1, 281036714), (2, 140518357), (7, 40148102), (14, 20074051), (19, 14791406), (38, 7395703), (41, 6854554), (73, 3849818), (82, 3427277), (133, 2113058), (146, 1924909), (266, 1056529), (287, 979222), (353, 796138), (511, 549974), (574, 489611), (706, 398069), (779, 360766), (1022, 274987), (1387, 202622), (1558, 180383), (2471, 113734), (2774, 101311), (2993, 93898), (4942, 56867), (5453, 51538), (5986, 46949), (6707, 41902), (9709, 28946), (10906, 25769), (13414, 20951), (14473, 19418)]