206420005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{1699}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 276256800

約数和(自身を除く): 69836795

約数列:

[1, 5, 11, 47, 55, 235, 517, 1699, 2209, 2585, 8495, 11045, 18689, 24299, 79853, 93445, 121495, 399265, 878383, 3753091, 4391915, 18765455, 41284001, 206420005]

約数ペア:

[(1, 206420005), (5, 41284001), (11, 18765455), (47, 4391915), (55, 3753091), (235, 878383), (517, 399265), (1699, 121495), (2209, 93445), (2585, 79853), (8495, 24299), (11045, 18689)]