227339959

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 308620800

約数和(自身を除く): 81280841

約数列:

[1, 7, 11, 19, 49, 77, 79, 133, 209, 281, 539, 553, 869, 931, 1463, 1501, 1967, 3091, 3871, 5339, 6083, 10241, 10507, 13769, 16511, 21637, 22199, 37373, 42581, 58729, 73549, 115577, 151459, 155393, 244189, 261611, 411103, 421781, 809039, 1087751, 1709323, 2877721, 2952467, 4639591, 11965261, 20667269, 32477137, 227339959]

約数ペア:

[(1, 227339959), (7, 32477137), (11, 20667269), (19, 11965261), (49, 4639591), (77, 2952467), (79, 2877721), (133, 1709323), (209, 1087751), (281, 809039), (539, 421781), (553, 411103), (869, 261611), (931, 244189), (1463, 155393), (1501, 151459), (1967, 115577), (3091, 73549), (3871, 58729), (5339, 42581), (6083, 37373), (10241, 22199), (10507, 21637), (13769, 16511)]