268782488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{14939}}^1$

素因数の和:15131

約数の個数: 32

約数和(自身を含む): 545907600

約数和(自身を除く): 277125112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 2249, 4498, 8996, 14939, 17992, 29878, 59756, 119512, 194207, 388414, 776828, 1553656, 2584447, 5168894, 10337788, 20675576, 33597811, 67195622, 134391244, 268782488]

約数ペア:

[(1, 268782488), (2, 134391244), (4, 67195622), (8, 33597811), (13, 20675576), (26, 10337788), (52, 5168894), (104, 2584447), (173, 1553656), (346, 776828), (692, 388414), (1384, 194207), (2249, 119512), (4498, 59756), (8996, 29878), (14939, 17992)]