256218984

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{169457}}^1$

素因数の和:169479

約数の個数: 64

約数和(自身を含む): 813398400

約数和(自身を除く): 557179416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 169457, 338914, 508371, 677828, 1016742, 1186199, 1355656, 1525113, 2033484, 2372398, 3050226, 3558597, 4066968, 4575339, 4744796, 6100452, 7117194, 9150678, 9489592, 10675791, 12200904, 14234388, 18301356, 21351582, 28468776, 32027373, 36602712, 42703164, 64054746, 85406328, 128109492, 256218984]

約数ペア:

[(1, 256218984), (2, 128109492), (3, 85406328), (4, 64054746), (6, 42703164), (7, 36602712), (8, 32027373), (9, 28468776), (12, 21351582), (14, 18301356), (18, 14234388), (21, 12200904), (24, 10675791), (27, 9489592), (28, 9150678), (36, 7117194), (42, 6100452), (54, 4744796), (56, 4575339), (63, 4066968), (72, 3558597), (84, 3050226), (108, 2372398), (126, 2033484), (168, 1525113), (189, 1355656), (216, 1186199), (252, 1016742), (378, 677828), (504, 508371), (756, 338914), (1512, 169457)]