128841754

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 195840000

約数和(自身を除く): 66998246

約数列:

[1, 2, 127, 199, 254, 398, 2549, 5098, 25273, 50546, 323723, 507251, 647446, 1014502, 64420877, 128841754]

約数ペア:

[(1, 128841754), (2, 64420877), (127, 1014502), (199, 647446), (254, 507251), (398, 323723), (2549, 50546), (5098, 25273)]