28039806

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 64190880

約数和(自身を除く): 36151074

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 534, 761, 801, 1522, 1602, 2047, 2283, 4094, 4566, 6141, 6849, 12282, 13698, 17503, 18423, 35006, 36846, 52509, 67729, 105018, 135458, 157527, 203187, 315054, 406374, 609561, 1219122, 1557767, 3115534, 4673301, 9346602, 14019903, 28039806]

約数ペア:

[(1, 28039806), (2, 14019903), (3, 9346602), (6, 4673301), (9, 3115534), (18, 1557767), (23, 1219122), (46, 609561), (69, 406374), (89, 315054), (138, 203187), (178, 157527), (207, 135458), (267, 105018), (414, 67729), (534, 52509), (761, 36846), (801, 35006), (1522, 18423), (1602, 17503), (2047, 13698), (2283, 12282), (4094, 6849), (4566, 6141)]