387131402

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{198937}}^1$

素因数の和:199085

約数の個数: 16

約数和(自身を含む): 668431680

約数和(自身を除く): 281300278

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 198937, 397874, 1392559, 2785118, 27652243, 55304486, 193565701, 387131402]

約数ペア:

[(1, 387131402), (2, 193565701), (7, 55304486), (14, 27652243), (139, 2785118), (278, 1392559), (973, 397874), (1946, 198937)]