128437268

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{97007}}^1$

素因数の和:97342

約数の個数: 12

約数和(自身を含む): 225446592

約数和(自身を除く): 97009324

約数列:

[1, 2, 4, 331, 662, 1324, 97007, 194014, 388028, 32109317, 64218634, 128437268]

約数ペア:

[(1, 128437268), (2, 64218634), (4, 32109317), (331, 388028), (662, 194014), (1324, 97007)]