128959156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{1913}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 237948480

約数和(自身を除く): 108989324

約数列:

[1, 2, 4, 19, 38, 76, 887, 1774, 1913, 3548, 3826, 7652, 16853, 33706, 36347, 67412, 72694, 145388, 1696831, 3393662, 6787324, 32239789, 64479578, 128959156]

約数ペア:

[(1, 128959156), (2, 64479578), (4, 32239789), (19, 6787324), (38, 3393662), (76, 1696831), (887, 145388), (1774, 72694), (1913, 67412), (3548, 36347), (3826, 33706), (7652, 16853)]