128042666

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{1493}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 194214024

約数和(自身を除く): 66171358

約数列:

[1, 2, 137, 274, 313, 626, 1493, 2986, 42881, 85762, 204541, 409082, 467309, 934618, 64021333, 128042666]

約数ペア:

[(1, 128042666), (2, 64021333), (137, 934618), (274, 467309), (313, 409082), (626, 204541), (1493, 85762), (2986, 42881)]