7880401828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1\times {\mathrm{1999}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 15184512000

約数和(自身を除く): 7304110172

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 1613, 1999, 2444, 3226, 3998, 6452, 7996, 20969, 25987, 41938, 51974, 75811, 83876, 93953, 103948, 151622, 187906, 303244, 375812, 985543, 1221389, 1971086, 2442778, 3224387, 3942172, 4885556, 6448774, 12897548, 41917031, 83834062, 151546189, 167668124, 303092378, 606184756, 1970100457, 3940200914, 7880401828]

約数ペア:

[(1, 7880401828), (2, 3940200914), (4, 1970100457), (13, 606184756), (26, 303092378), (47, 167668124), (52, 151546189), (94, 83834062), (188, 41917031), (611, 12897548), (1222, 6448774), (1613, 4885556), (1999, 3942172), (2444, 3224387), (3226, 2442778), (3998, 1971086), (6452, 1221389), (7996, 985543), (20969, 375812), (25987, 303244), (41938, 187906), (51974, 151622), (75811, 103948), (83876, 93953)]