39988556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{1087}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 74301696

約数和(自身を除く): 34313140

約数列:

[1, 2, 4, 17, 34, 68, 541, 1082, 1087, 2164, 2174, 4348, 9197, 18394, 18479, 36788, 36958, 73916, 588067, 1176134, 2352268, 9997139, 19994278, 39988556]

約数ペア:

[(1, 39988556), (2, 19994278), (4, 9997139), (17, 2352268), (34, 1176134), (68, 588067), (541, 73916), (1082, 36958), (1087, 36788), (2164, 18479), (2174, 18394), (4348, 9197)]