199371458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 357504000

約数和(自身を除く): 158132542

約数列:

[1, 2, 11, 13, 22, 26, 121, 127, 143, 242, 254, 286, 499, 998, 1397, 1573, 1651, 2794, 3146, 3302, 5489, 6487, 10978, 12974, 15367, 18161, 30734, 36322, 60379, 63373, 71357, 120758, 126746, 142714, 199771, 399542, 697103, 784927, 823849, 1394206, 1569854, 1647698, 7668133, 9062339, 15336266, 18124678, 99685729, 199371458]

約数ペア:

[(1, 199371458), (2, 99685729), (11, 18124678), (13, 15336266), (22, 9062339), (26, 7668133), (121, 1647698), (127, 1569854), (143, 1394206), (242, 823849), (254, 784927), (286, 697103), (499, 399542), (998, 199771), (1397, 142714), (1573, 126746), (1651, 120758), (2794, 71357), (3146, 63373), (3302, 60379), (5489, 36322), (6487, 30734), (10978, 18161), (12974, 15367)]