87231128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 172627200

約数和(自身を除く): 85396072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 647, 887, 1294, 1774, 2588, 3548, 5176, 7096, 12293, 16853, 24586, 33706, 49172, 67412, 98344, 134824, 573889, 1147778, 2295556, 4591112, 10903891, 21807782, 43615564, 87231128]

約数ペア:

[(1, 87231128), (2, 43615564), (4, 21807782), (8, 10903891), (19, 4591112), (38, 2295556), (76, 1147778), (152, 573889), (647, 134824), (887, 98344), (1294, 67412), (1774, 49172), (2588, 33706), (3548, 24586), (5176, 16853), (7096, 12293)]