639254

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:620

約数の個数: 24

約数和(自身を含む): 1218888

約数和(自身を除く): 579634

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 593, 1078, 1186, 4151, 6523, 8302, 13046, 29057, 45661, 58114, 91322, 319627, 639254]

約数ペア:

[(1, 639254), (2, 319627), (7, 91322), (11, 58114), (14, 45661), (22, 29057), (49, 13046), (77, 8302), (98, 6523), (154, 4151), (539, 1186), (593, 1078)]