39987678

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{154991}}^1$

素因数の和:155039

約数の個数: 16

約数和(自身を含む): 81835776

約数和(自身を除く): 41848098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 154991, 309982, 464973, 929946, 6664613, 13329226, 19993839, 39987678]

約数ペア:

[(1, 39987678), (2, 19993839), (3, 13329226), (6, 6664613), (43, 929946), (86, 464973), (129, 309982), (258, 154991)]