27800476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 54295920

約数和(自身を除く): 26495444

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 781, 809, 1562, 1618, 3124, 3236, 8591, 8899, 17182, 17798, 34364, 35596, 57439, 97889, 114878, 195778, 229756, 391556, 631829, 1263658, 2527316, 6950119, 13900238, 27800476]

約数ペア:

[(1, 27800476), (2, 13900238), (4, 6950119), (11, 2527316), (22, 1263658), (44, 631829), (71, 391556), (121, 229756), (142, 195778), (242, 114878), (284, 97889), (484, 57439), (781, 35596), (809, 34364), (1562, 17798), (1618, 17182), (3124, 8899), (3236, 8591)]