211340728

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{201661}}^1$

素因数の和:201798

約数の個数: 16

約数和(自身を含む): 399290760

約数和(自身を除く): 187950032

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 201661, 403322, 806644, 1613288, 26417591, 52835182, 105670364, 211340728]

約数ペア:

[(1, 211340728), (2, 105670364), (4, 52835182), (8, 26417591), (131, 1613288), (262, 806644), (524, 403322), (1048, 201661)]