280740746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2267}}^1$

素因数の和:2726

約数の個数: 32

約数和(自身を含む): 496093248

約数和(自身を除く): 215352502

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 433, 866, 2267, 4534, 4763, 5629, 9526, 11258, 24937, 29471, 49874, 58942, 61919, 123838, 324181, 648362, 981611, 1963222, 10797721, 12760943, 21595442, 25521886, 140370373, 280740746]

約数ペア:

[(1, 280740746), (2, 140370373), (11, 25521886), (13, 21595442), (22, 12760943), (26, 10797721), (143, 1963222), (286, 981611), (433, 648362), (866, 324181), (2267, 123838), (4534, 61919), (4763, 58942), (5629, 49874), (9526, 29471), (11258, 24937)]