648842896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 1427908608

約数和(自身を除く): 779065712

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 496, 611, 752, 806, 1222, 1457, 1612, 2141, 2444, 2914, 3224, 4282, 4888, 5828, 6448, 8564, 9776, 11656, 17128, 18941, 23312, 27833, 34256, 37882, 55666, 66371, 75764, 100627, 111332, 132742, 151528, 201254, 222664, 265484, 303056, 402508, 445328, 530968, 805016, 862823, 1061936, 1308151, 1610032, 1725646, 2616302, 3119437, 3451292, 5232604, 6238874, 6902584, 10465208, 12477748, 13805168, 20930416, 24955496, 40552681, 49910992, 81105362, 162210724, 324421448, 648842896]

約数ペア:

[(1, 648842896), (2, 324421448), (4, 162210724), (8, 81105362), (13, 49910992), (16, 40552681), (26, 24955496), (31, 20930416), (47, 13805168), (52, 12477748), (62, 10465208), (94, 6902584), (104, 6238874), (124, 5232604), (188, 3451292), (208, 3119437), (248, 2616302), (376, 1725646), (403, 1610032), (496, 1308151), (611, 1061936), (752, 862823), (806, 805016), (1222, 530968), (1457, 445328), (1612, 402508), (2141, 303056), (2444, 265484), (2914, 222664), (3224, 201254), (4282, 151528), (4888, 132742), (5828, 111332), (6448, 100627), (8564, 75764), (9776, 66371), (11656, 55666), (17128, 37882), (18941, 34256), (23312, 27833)]