258456961

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 313337024

約数和(自身を除く): 54880063

約数列:

[1, 7, 29, 43, 203, 301, 841, 1021, 1247, 5887, 7147, 8729, 29609, 36163, 43903, 207263, 253141, 307321, 858661, 1273187, 6010627, 8912309, 36922423, 258456961]

約数ペア:

[(1, 258456961), (7, 36922423), (29, 8912309), (43, 6010627), (203, 1273187), (301, 858661), (841, 307321), (1021, 253141), (1247, 207263), (5887, 43903), (7147, 36163), (8729, 29609)]