64814225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 98148480

約数和(自身を除く): 33334255

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 133, 175, 193, 475, 505, 665, 707, 965, 1351, 1919, 2525, 3325, 3535, 3667, 4825, 6755, 9595, 13433, 17675, 18335, 19493, 25669, 33775, 47975, 67165, 91675, 97465, 128345, 136451, 335825, 370367, 487325, 641725, 682255, 1851835, 2592569, 3411275, 9259175, 12962845, 64814225]

約数ペア:

[(1, 64814225), (5, 12962845), (7, 9259175), (19, 3411275), (25, 2592569), (35, 1851835), (95, 682255), (101, 641725), (133, 487325), (175, 370367), (193, 335825), (475, 136451), (505, 128345), (665, 97465), (707, 91675), (965, 67165), (1351, 47975), (1919, 33775), (2525, 25669), (3325, 19493), (3535, 18335), (3667, 17675), (4825, 13433), (6755, 9595)]