81988004

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79139}}^1$

素因数の和:79187

約数の個数: 24

約数和(自身を含む): 168409920

約数和(自身を除く): 86421916

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 79139, 158278, 316556, 553973, 1107946, 2215892, 2928143, 5856286, 11712572, 20497001, 40994002, 81988004]

約数ペア:

[(1, 81988004), (2, 40994002), (4, 20497001), (7, 11712572), (14, 5856286), (28, 2928143), (37, 2215892), (74, 1107946), (148, 553973), (259, 316556), (518, 158278), (1036, 79139)]