81329178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13931}}^1$

素因数の和:14082

約数の個数: 32

約数和(自身を含む): 187246080

約数和(自身を除く): 105916902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 5838, 13931, 27862, 41793, 83586, 97517, 195034, 292551, 585102, 1936409, 3872818, 5809227, 11618454, 13554863, 27109726, 40664589, 81329178]

約数ペア:

[(1, 81329178), (2, 40664589), (3, 27109726), (6, 13554863), (7, 11618454), (14, 5809227), (21, 3872818), (42, 1936409), (139, 585102), (278, 292551), (417, 195034), (834, 97517), (973, 83586), (1946, 41793), (2919, 27862), (5838, 13931)]