128002864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{727289}}^1$

素因数の和:727308

約数の個数: 20

約数和(自身を含む): 270551880

約数和(自身を除く): 142549016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 727289, 1454578, 2909156, 5818312, 8000179, 11636624, 16000358, 32000716, 64001432, 128002864]

約数ペア:

[(1, 128002864), (2, 64001432), (4, 32000716), (8, 16000358), (11, 11636624), (16, 8000179), (22, 5818312), (44, 2909156), (88, 1454578), (176, 727289)]