638409968

素因数分解:

$2^4\times 7^1\times {\mathrm{5700089}}^1$

素因数の和:5700104

約数の個数: 20

約数和(自身を含む): 1413622320

約数和(自身を除く): 775212352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5700089, 11400178, 22800356, 39900623, 45600712, 79801246, 91201424, 159602492, 319204984, 638409968]

約数ペア:

[(1, 638409968), (2, 319204984), (4, 159602492), (7, 91201424), (8, 79801246), (14, 45600712), (16, 39900623), (28, 22800356), (56, 11400178), (112, 5700089)]