201978368

素因数分解:

$2^9\times {\mathrm{394489}}^1$

素因数の和:394507

約数の個数: 20

約数和(自身を含む): 403563270

約数和(自身を除く): 201584902

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 394489, 788978, 1577956, 3155912, 6311824, 12623648, 25247296, 50494592, 100989184, 201978368]

約数ペア:

[(1, 201978368), (2, 100989184), (4, 50494592), (8, 25247296), (16, 12623648), (32, 6311824), (64, 3155912), (128, 1577956), (256, 788978), (512, 394489)]