2561312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3027040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 131, 188, 208, 262, 376, 416, 524, 611, 752, 1048, 1222, 1504, 1703, 2096, 2444, 3406, 4192, 4888, 6157, 6812, 9776, 12314, 13624, 19552, 24628, 27248, 49256, 54496, 80041, 98512, 160082, 197024, 320164, 640328, 1280656, 2561312]

約数ペア:

[(1, 2561312), (2, 1280656), (4, 640328), (8, 320164), (13, 197024), (16, 160082), (26, 98512), (32, 80041), (47, 54496), (52, 49256), (94, 27248), (104, 24628), (131, 19552), (188, 13624), (208, 12314), (262, 9776), (376, 6812), (416, 6157), (524, 4888), (611, 4192), (752, 3406), (1048, 2444), (1222, 2096), (1504, 1703)]