28071204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2551}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 75457536

約数和(自身を除く): 47386332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2551, 2751, 3668, 5102, 5502, 7653, 10204, 11004, 15306, 17857, 30612, 35714, 53571, 71428, 107142, 214284, 334181, 668362, 1002543, 1336724, 2005086, 2339267, 4010172, 4678534, 7017801, 9357068, 14035602, 28071204]

約数ペア:

[(1, 28071204), (2, 14035602), (3, 9357068), (4, 7017801), (6, 4678534), (7, 4010172), (12, 2339267), (14, 2005086), (21, 1336724), (28, 1002543), (42, 668362), (84, 334181), (131, 214284), (262, 107142), (393, 71428), (524, 53571), (786, 35714), (917, 30612), (1572, 17857), (1834, 15306), (2551, 11004), (2751, 10204), (3668, 7653), (5102, 5502)]