165740828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{19121}}^1$

素因数の和:19333

約数の個数: 24

約数和(自身を含む): 318037104

約数和(自身を除く): 152296276

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 19121, 38242, 76484, 210331, 420662, 841324, 3766837, 7533674, 15067348, 41435207, 82870414, 165740828]

約数ペア:

[(1, 165740828), (2, 82870414), (4, 41435207), (11, 15067348), (22, 7533674), (44, 3766837), (197, 841324), (394, 420662), (788, 210331), (2167, 76484), (4334, 38242), (8668, 19121)]