128385268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71167}}^1$

素因数の和:71223

約数の個数: 24

約数和(自身を含む): 251080704

約数和(自身を除く): 122695436

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 71167, 142334, 284668, 782837, 1565674, 2917847, 3131348, 5835694, 11671388, 32096317, 64192634, 128385268]

約数ペア:

[(1, 128385268), (2, 64192634), (4, 32096317), (11, 11671388), (22, 5835694), (41, 3131348), (44, 2917847), (82, 1565674), (164, 782837), (451, 284668), (902, 142334), (1804, 71167)]