156987128

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{2003}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 300479760

約数和(自身を除く): 143492632

約数列:

[1, 2, 4, 8, 97, 101, 194, 202, 388, 404, 776, 808, 2003, 4006, 8012, 9797, 16024, 19594, 39188, 78376, 194291, 202303, 388582, 404606, 777164, 809212, 1554328, 1618424, 19623391, 39246782, 78493564, 156987128]

約数ペア:

[(1, 156987128), (2, 78493564), (4, 39246782), (8, 19623391), (97, 1618424), (101, 1554328), (194, 809212), (202, 777164), (388, 404606), (404, 388582), (776, 202303), (808, 194291), (2003, 78376), (4006, 39188), (8012, 19594), (9797, 16024)]