262580656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23819}}^1$

素因数の和:23893

約数の個数: 40

約数和(自身を含む): 558245520

約数和(自身を除く): 295664864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 23819, 47638, 95276, 190552, 309647, 381104, 619294, 1238588, 1262407, 2477176, 2524814, 4954352, 5049628, 10099256, 16411291, 20198512, 32822582, 65645164, 131290328, 262580656]

約数ペア:

[(1, 262580656), (2, 131290328), (4, 65645164), (8, 32822582), (13, 20198512), (16, 16411291), (26, 10099256), (52, 5049628), (53, 4954352), (104, 2524814), (106, 2477176), (208, 1262407), (212, 1238588), (424, 619294), (689, 381104), (848, 309647), (1378, 190552), (2756, 95276), (5512, 47638), (11024, 23819)]