81665848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2269}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 167526000

約数和(自身を除く): 85860152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 818, 1636, 2269, 3272, 4499, 4538, 8998, 9076, 17996, 18152, 24959, 35992, 49918, 99836, 199672, 928021, 1856042, 3712084, 7424168, 10208231, 20416462, 40832924, 81665848]

約数ペア:

[(1, 81665848), (2, 40832924), (4, 20416462), (8, 10208231), (11, 7424168), (22, 3712084), (44, 1856042), (88, 928021), (409, 199672), (818, 99836), (1636, 49918), (2269, 35992), (3272, 24959), (4499, 18152), (4538, 17996), (8998, 9076)]