2561718888

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{135283}}^1$

素因数の和:135558

約数の個数: 48

約数和(自身を含む): 6964420320

約数和(自身を除く): 4402701432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1052, 1578, 2104, 2367, 3156, 4734, 6312, 9468, 18936, 135283, 270566, 405849, 541132, 811698, 1082264, 1217547, 1623396, 2435094, 3246792, 4870188, 9740376, 35579429, 71158858, 106738287, 142317716, 213476574, 284635432, 320214861, 426953148, 640429722, 853906296, 1280859444, 2561718888]

約数ペア:

[(1, 2561718888), (2, 1280859444), (3, 853906296), (4, 640429722), (6, 426953148), (8, 320214861), (9, 284635432), (12, 213476574), (18, 142317716), (24, 106738287), (36, 71158858), (72, 35579429), (263, 9740376), (526, 4870188), (789, 3246792), (1052, 2435094), (1578, 1623396), (2104, 1217547), (2367, 1082264), (3156, 811698), (4734, 541132), (6312, 405849), (9468, 270566), (18936, 135283)]