89970643

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 113817600

約数和(自身を除く): 23846957

約数列:

[1, 7, 19, 37, 47, 133, 259, 329, 389, 703, 893, 1739, 2723, 4921, 6251, 7391, 12173, 14393, 18283, 33041, 51737, 100751, 127981, 231287, 273467, 347377, 676471, 1914269, 2431639, 4735297, 12852949, 89970643]

約数ペア:

[(1, 89970643), (7, 12852949), (19, 4735297), (37, 2431639), (47, 1914269), (133, 676471), (259, 347377), (329, 273467), (389, 231287), (703, 127981), (893, 100751), (1739, 51737), (2723, 33041), (4921, 18283), (6251, 14393), (7391, 12173)]