128831354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{3851}}^1$

素因数の和:4285

約数の個数: 16

約数和(自身を含む): 198300960

約数和(自身を除く): 69469606

約数列:

[1, 2, 43, 86, 389, 778, 3851, 7702, 16727, 33454, 165593, 331186, 1498039, 2996078, 64415677, 128831354]

約数ペア:

[(1, 128831354), (2, 64415677), (43, 2996078), (86, 1498039), (389, 331186), (778, 165593), (3851, 33454), (7702, 16727)]