198512639

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 224167680

約数和(自身を除く): 25655041

約数列:

[1, 13, 43, 59, 169, 463, 559, 767, 2537, 6019, 7267, 9971, 19909, 27317, 32981, 78247, 258817, 355121, 428753, 1174631, 3364621, 4616573, 15270203, 198512639]

約数ペア:

[(1, 198512639), (13, 15270203), (43, 4616573), (59, 3364621), (169, 1174631), (463, 428753), (559, 355121), (767, 258817), (2537, 78247), (6019, 32981), (7267, 27317), (9971, 19909)]