261549904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{212297}}^1$

素因数の和:212323

約数の個数: 40

約数和(自身を含む): 631798848

約数和(自身を除く): 370248944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 212297, 424594, 849188, 1486079, 1698376, 2335267, 2972158, 3396752, 4670534, 5944316, 9341068, 11888632, 16346869, 18682136, 23777264, 32693738, 37364272, 65387476, 130774952, 261549904]

約数ペア:

[(1, 261549904), (2, 130774952), (4, 65387476), (7, 37364272), (8, 32693738), (11, 23777264), (14, 18682136), (16, 16346869), (22, 11888632), (28, 9341068), (44, 5944316), (56, 4670534), (77, 3396752), (88, 2972158), (112, 2335267), (154, 1698376), (176, 1486079), (308, 849188), (616, 424594), (1232, 212297)]