128875348

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{200117}}^1$

素因数の和:200151

約数の個数: 24

約数和(自身を含む): 268958592

約数和(自身を除く): 140083244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 200117, 400234, 800468, 1400819, 2801638, 4602691, 5603276, 9205382, 18410764, 32218837, 64437674, 128875348]

約数ペア:

[(1, 128875348), (2, 64437674), (4, 32218837), (7, 18410764), (14, 9205382), (23, 5603276), (28, 4602691), (46, 2801638), (92, 1400819), (161, 800468), (322, 400234), (644, 200117)]