221988004

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{57037}}^1$

素因数の和:57187

約数の個数: 24

約数和(自身を含む): 447177920

約数和(自身を除く): 225189916

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 57037, 114074, 228148, 399259, 798518, 1597036, 7928143, 15856286, 31712572, 55497001, 110994002, 221988004]

約数ペア:

[(1, 221988004), (2, 110994002), (4, 55497001), (7, 31712572), (14, 15856286), (28, 7928143), (139, 1597036), (278, 798518), (556, 399259), (973, 228148), (1946, 114074), (3892, 57037)]