26975728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2521

約数の個数: 40

約数和(自身を含む): 57371328

約数和(自身を除く): 30395600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2447, 2756, 4894, 5512, 9788, 11024, 19576, 31811, 39152, 63622, 127244, 129691, 254488, 259382, 508976, 518764, 1037528, 1685983, 2075056, 3371966, 6743932, 13487864, 26975728]

約数ペア:

[(1, 26975728), (2, 13487864), (4, 6743932), (8, 3371966), (13, 2075056), (16, 1685983), (26, 1037528), (52, 518764), (53, 508976), (104, 259382), (106, 254488), (208, 129691), (212, 127244), (424, 63622), (689, 39152), (848, 31811), (1378, 19576), (2447, 11024), (2756, 9788), (4894, 5512)]