668941312

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1685

約数の個数: 88

約数和(自身を含む): 1487464832

約数和(自身を除く): 818523520

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1024, 1612, 1621, 1664, 1984, 3224, 3242, 3328, 3968, 6448, 6484, 6656, 7936, 12896, 12968, 13312, 15872, 21073, 25792, 25936, 31744, 42146, 50251, 51584, 51872, 84292, 100502, 103168, 103744, 168584, 201004, 206336, 207488, 337168, 402008, 412672, 414976, 653263, 674336, 804016, 829952, 1306526, 1348672, 1608032, 1659904, 2613052, 2697344, 3216064, 5226104, 5394688, 6432128, 10452208, 10789376, 12864256, 20904416, 21578752, 25728512, 41808832, 51457024, 83617664, 167235328, 334470656, 668941312]

約数ペア:

[(1, 668941312), (2, 334470656), (4, 167235328), (8, 83617664), (13, 51457024), (16, 41808832), (26, 25728512), (31, 21578752), (32, 20904416), (52, 12864256), (62, 10789376), (64, 10452208), (104, 6432128), (124, 5394688), (128, 5226104), (208, 3216064), (248, 2697344), (256, 2613052), (403, 1659904), (416, 1608032), (496, 1348672), (512, 1306526), (806, 829952), (832, 804016), (992, 674336), (1024, 653263), (1612, 414976), (1621, 412672), (1664, 402008), (1984, 337168), (3224, 207488), (3242, 206336), (3328, 201004), (3968, 168584), (6448, 103744), (6484, 103168), (6656, 100502), (7936, 84292), (12896, 51872), (12968, 51584), (13312, 50251), (15872, 42146), (21073, 31744), (25792, 25936)]