80491768

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{5189}}^1$

素因数の和:5479

約数の個数: 32

約数和(自身を含む): 173138400

約数和(自身を除く): 92646632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1939, 2216, 3878, 5189, 7756, 10378, 15512, 20756, 36323, 41512, 72646, 145292, 290584, 1437353, 2874706, 5749412, 10061471, 11498824, 20122942, 40245884, 80491768]

約数ペア:

[(1, 80491768), (2, 40245884), (4, 20122942), (7, 11498824), (8, 10061471), (14, 5749412), (28, 2874706), (56, 1437353), (277, 290584), (554, 145292), (1108, 72646), (1939, 41512), (2216, 36323), (3878, 20756), (5189, 15512), (7756, 10378)]