280513574

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 466324992

約数和(自身を除く): 185811418

約数列:

[1, 2, 11, 22, 121, 167, 242, 334, 631, 1262, 1331, 1837, 2662, 3674, 6941, 13882, 20207, 40414, 76351, 105377, 152702, 210754, 222277, 444554, 839861, 1159147, 1679722, 2318294, 12750617, 25501234, 140256787, 280513574]

約数ペア:

[(1, 280513574), (2, 140256787), (11, 25501234), (22, 12750617), (121, 2318294), (167, 1679722), (242, 1159147), (334, 839861), (631, 444554), (1262, 222277), (1331, 210754), (1837, 152702), (2662, 105377), (3674, 76351), (6941, 40414), (13882, 20207)]