639342214

素因数分解:

$2^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{195997}}^1$

素因数の和:196239

約数の個数: 16

約数和(自身を含む): 1100724768

約数和(自身を除く): 461382554

約数列:

[1, 2, 7, 14, 233, 466, 1631, 3262, 195997, 391994, 1371979, 2743958, 45667301, 91334602, 319671107, 639342214]

約数ペア:

[(1, 639342214), (2, 319671107), (7, 91334602), (14, 45667301), (233, 2743958), (466, 1371979), (1631, 391994), (3262, 195997)]