81489716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{264577}}^1$

素因数の和:264599

約数の個数: 24

約数和(自身を含む): 177796416

約数和(自身を除く): 96306700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 264577, 529154, 1058308, 1852039, 2910347, 3704078, 5820694, 7408156, 11641388, 20372429, 40744858, 81489716]

約数ペア:

[(1, 81489716), (2, 40744858), (4, 20372429), (7, 11641388), (11, 7408156), (14, 5820694), (22, 3704078), (28, 2910347), (44, 1852039), (77, 1058308), (154, 529154), (308, 264577)]