890008

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 1992960

約数和(自身を除く): 1102952

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 691, 1288, 1382, 2764, 4837, 5528, 9674, 15893, 19348, 31786, 38696, 63572, 111251, 127144, 222502, 445004, 890008]

約数ペア:

[(1, 890008), (2, 445004), (4, 222502), (7, 127144), (8, 111251), (14, 63572), (23, 38696), (28, 31786), (46, 19348), (56, 15893), (92, 9674), (161, 5528), (184, 4837), (322, 2764), (644, 1382), (691, 1288)]