71820664

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 139201920

約数和(自身を除く): 67381256

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 824, 2027, 4054, 4429, 8108, 8858, 16216, 17716, 35432, 87161, 174322, 208781, 348644, 417562, 697288, 835124, 1670248, 8977583, 17955166, 35910332, 71820664]

約数ペア:

[(1, 71820664), (2, 35910332), (4, 17955166), (8, 8977583), (43, 1670248), (86, 835124), (103, 697288), (172, 417562), (206, 348644), (344, 208781), (412, 174322), (824, 87161), (2027, 35432), (4054, 17716), (4429, 16216), (8108, 8858)]