1287128186

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{69193}}^1$

素因数の和:69397

約数の個数: 16

約数和(自身を含む): 1972859328

約数和(自身を除く): 685731142

約数列:

[1, 2, 71, 131, 142, 262, 9301, 18602, 69193, 138386, 4912703, 9064283, 9825406, 18128566, 643564093, 1287128186]

約数ペア:

[(1, 1287128186), (2, 643564093), (71, 18128566), (131, 9825406), (142, 9064283), (262, 4912703), (9301, 138386), (18602, 69193)]