81955076

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1583}}^1$

素因数の和:1680

約数の個数: 36

約数和(自身を含む): 167916672

約数和(自身を除く): 85961596

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1583, 1849, 3166, 3698, 6332, 7396, 11081, 12943, 22162, 25886, 44324, 51772, 68069, 136138, 272276, 476483, 952966, 1905932, 2926967, 5853934, 11707868, 20488769, 40977538, 81955076]

約数ペア:

[(1, 81955076), (2, 40977538), (4, 20488769), (7, 11707868), (14, 5853934), (28, 2926967), (43, 1905932), (86, 952966), (172, 476483), (301, 272276), (602, 136138), (1204, 68069), (1583, 51772), (1849, 44324), (3166, 25886), (3698, 22162), (6332, 12943), (7396, 11081)]