198452009

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 238902048

約数和(自身を除く): 40450039

約数列:

[1, 7, 43, 49, 97, 301, 679, 971, 2107, 4171, 4753, 6797, 29197, 41753, 47579, 94187, 204379, 292271, 659309, 2045897, 4050041, 4615163, 28350287, 198452009]

約数ペア:

[(1, 198452009), (7, 28350287), (43, 4615163), (49, 4050041), (97, 2045897), (301, 659309), (679, 292271), (971, 204379), (2107, 94187), (4171, 47579), (4753, 41753), (6797, 29197)]