1999291228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1459

約数の個数: 72

約数和(自身を含む): 3987733680

約数和(自身を除く): 1988442452

約数列:

[1, 2, 4, 11, 22, 44, 53, 59, 106, 118, 121, 212, 236, 242, 484, 583, 649, 1166, 1298, 1321, 2332, 2596, 2642, 3127, 5284, 6254, 6413, 7139, 12508, 12826, 14278, 14531, 25652, 28556, 29062, 34397, 58124, 68794, 70013, 77939, 137588, 140026, 155878, 159841, 280052, 311756, 319682, 378367, 639364, 756734, 770143, 857329, 1513468, 1540286, 1714658, 3080572, 3429316, 4130767, 8261534, 8471573, 9430619, 16523068, 16943146, 18861238, 33886292, 37722476, 45438437, 90876874, 181753748, 499822807, 999645614, 1999291228]

約数ペア:

[(1, 1999291228), (2, 999645614), (4, 499822807), (11, 181753748), (22, 90876874), (44, 45438437), (53, 37722476), (59, 33886292), (106, 18861238), (118, 16943146), (121, 16523068), (212, 9430619), (236, 8471573), (242, 8261534), (484, 4130767), (583, 3429316), (649, 3080572), (1166, 1714658), (1298, 1540286), (1321, 1513468), (2332, 857329), (2596, 770143), (2642, 756734), (3127, 639364), (5284, 378367), (6254, 319682), (6413, 311756), (7139, 280052), (12508, 159841), (12826, 155878), (14278, 140026), (14531, 137588), (25652, 77939), (28556, 70013), (29062, 68794), (34397, 58124)]