197943473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 56798287

約数列:

[1, 7, 13, 29, 91, 107, 203, 377, 701, 749, 1391, 2639, 3103, 4907, 9113, 9737, 20329, 21721, 40339, 63791, 75007, 142303, 264277, 282373, 525049, 975091, 1849939, 2175203, 6825637, 15226421, 28277639, 197943473]

約数ペア:

[(1, 197943473), (7, 28277639), (13, 15226421), (29, 6825637), (91, 2175203), (107, 1849939), (203, 975091), (377, 525049), (701, 282373), (749, 264277), (1391, 142303), (2639, 75007), (3103, 63791), (4907, 40339), (9113, 21721), (9737, 20329)]