208387685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 278691840

約数和(自身を除く): 70304155

約数列:

[1, 5, 11, 55, 83, 191, 239, 415, 913, 955, 1195, 2101, 2629, 4565, 10505, 13145, 15853, 19837, 45649, 79265, 99185, 174383, 218207, 228245, 502139, 871915, 1091035, 2510695, 3788867, 18944335, 41677537, 208387685]

約数ペア:

[(1, 208387685), (5, 41677537), (11, 18944335), (55, 3788867), (83, 2510695), (191, 1091035), (239, 871915), (415, 502139), (913, 228245), (955, 218207), (1195, 174383), (2101, 99185), (2629, 79265), (4565, 45649), (10505, 19837), (13145, 15853)]