2189742121

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{16519}}^1$

素因数の和:17208

約数の個数: 16

約数和(自身を含む): 2592979200

約数和(自身を除く): 403237079

約数列:

[1, 7, 29, 203, 653, 4571, 16519, 18937, 115633, 132559, 479051, 3353357, 10786907, 75508349, 312820303, 2189742121]

約数ペア:

[(1, 2189742121), (7, 312820303), (29, 75508349), (203, 10786907), (653, 3353357), (4571, 479051), (16519, 132559), (18937, 115633)]