128580386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{21727}}^1$

素因数の和:22009

約数の個数: 16

約数和(自身を含む): 211196160

約数和(自身を除く): 82615774

約数列:

[1, 2, 11, 22, 269, 538, 2959, 5918, 21727, 43454, 238997, 477994, 5844563, 11689126, 64290193, 128580386]

約数ペア:

[(1, 128580386), (2, 64290193), (11, 11689126), (22, 5844563), (269, 477994), (538, 238997), (2959, 43454), (5918, 21727)]