212912678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{37657}}^1$

素因数の和:37927

約数の個数: 16

約数和(自身を含む): 349767504

約数和(自身を除く): 136854826

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 37657, 75314, 414227, 828454, 9677849, 19355698, 106456339, 212912678]

約数ペア:

[(1, 212912678), (2, 106456339), (11, 19355698), (22, 9677849), (257, 828454), (514, 414227), (2827, 75314), (5654, 37657)]