125297552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 256337760

約数和(自身を除く): 131040208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 641, 643, 1282, 1286, 2564, 2572, 5128, 5144, 10256, 10288, 12179, 12217, 24358, 24434, 48716, 48868, 97432, 97736, 194864, 195472, 412163, 824326, 1648652, 3297304, 6594608, 7831097, 15662194, 31324388, 62648776, 125297552]

約数ペア:

[(1, 125297552), (2, 62648776), (4, 31324388), (8, 15662194), (16, 7831097), (19, 6594608), (38, 3297304), (76, 1648652), (152, 824326), (304, 412163), (641, 195472), (643, 194864), (1282, 97736), (1286, 97432), (2564, 48868), (2572, 48716), (5128, 24434), (5144, 24358), (10256, 12217), (10288, 12179)]