291289418

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 542603520

約数和(自身を除く): 251314102

約数列:

[1, 2, 7, 14, 19, 38, 49, 73, 98, 133, 146, 266, 511, 931, 1022, 1387, 1862, 2143, 2774, 3577, 4286, 7154, 9709, 15001, 19418, 30002, 40717, 67963, 81434, 105007, 135926, 156439, 210014, 285019, 312878, 570038, 1095073, 1995133, 2190146, 2972341, 3990266, 5944682, 7665511, 15331022, 20806387, 41612774, 145644709, 291289418]

約数ペア:

[(1, 291289418), (2, 145644709), (7, 41612774), (14, 20806387), (19, 15331022), (38, 7665511), (49, 5944682), (73, 3990266), (98, 2972341), (133, 2190146), (146, 1995133), (266, 1095073), (511, 570038), (931, 312878), (1022, 285019), (1387, 210014), (1862, 156439), (2143, 135926), (2774, 105007), (3577, 81434), (4286, 67963), (7154, 40717), (9709, 30002), (15001, 19418)]