28276456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6323}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 58433760

約数和(自身を除く): 30157304

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 6323, 12646, 25292, 50584, 82199, 164398, 271889, 328796, 543778, 657592, 1087556, 2175112, 3534557, 7069114, 14138228, 28276456]

約数ペア:

[(1, 28276456), (2, 14138228), (4, 7069114), (8, 3534557), (13, 2175112), (26, 1087556), (43, 657592), (52, 543778), (86, 328796), (104, 271889), (172, 164398), (344, 82199), (559, 50584), (1118, 25292), (2236, 12646), (4472, 6323)]