128518990

素因数分解:

$2^1\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{6869}}^1$

素因数の和:8747

約数の個数: 16

約数和(自身を含む): 231491520

約数和(自身を除く): 102972530

約数列:

[1, 2, 5, 10, 1871, 3742, 6869, 9355, 13738, 18710, 34345, 68690, 12851899, 25703798, 64259495, 128518990]

約数ペア:

[(1, 128518990), (2, 64259495), (5, 25703798), (10, 12851899), (1871, 68690), (3742, 34345), (6869, 18710), (9355, 13738)]