198697807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 257402880

約数和(自身を除く): 58705073

約数列:

[1, 7, 11, 37, 77, 97, 259, 407, 679, 719, 1067, 2849, 3589, 5033, 7469, 7909, 25123, 26603, 39479, 55363, 69743, 186221, 276353, 292633, 488201, 767173, 2048431, 2580491, 5370211, 18063437, 28385401, 198697807]

約数ペア:

[(1, 198697807), (7, 28385401), (11, 18063437), (37, 5370211), (77, 2580491), (97, 2048431), (259, 767173), (407, 488201), (679, 292633), (719, 276353), (1067, 186221), (2849, 69743), (3589, 55363), (5033, 39479), (7469, 26603), (7909, 25123)]