128840236

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{55439}}^1$

素因数の和:55533

約数の個数: 24

約数和(自身を含む): 260789760

約数和(自身を除く): 131949524

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 55439, 110878, 221756, 388073, 776146, 1552292, 4601437, 9202874, 18405748, 32210059, 64420118, 128840236]

約数ペア:

[(1, 128840236), (2, 64420118), (4, 32210059), (7, 18405748), (14, 9202874), (28, 4601437), (83, 1552292), (166, 776146), (332, 388073), (581, 221756), (1162, 110878), (2324, 55439)]