217193669

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{11149}}^1$

素因数の和:11201

約数の個数: 24

約数和(自身を含む): 284726400

約数和(自身を除く): 67532731

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 11149, 19481, 78043, 122639, 256427, 858473, 1349029, 1794989, 2820697, 9443203, 19744879, 31027667, 217193669]

約数ペア:

[(1, 217193669), (7, 31027667), (11, 19744879), (23, 9443203), (77, 2820697), (121, 1794989), (161, 1349029), (253, 858473), (847, 256427), (1771, 122639), (2783, 78043), (11149, 19481)]