4990559

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 6067200

約数和(自身を除く): 1076641

約数列:

[1, 7, 19, 133, 157, 239, 1099, 1673, 2983, 4541, 20881, 31787, 37523, 262661, 712937, 4990559]

約数ペア:

[(1, 4990559), (7, 712937), (19, 262661), (133, 37523), (157, 31787), (239, 20881), (1099, 4541), (1673, 2983)]