81186655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 28299425

約数列:

[1, 5, 11, 55, 59, 127, 197, 295, 635, 649, 985, 1397, 2167, 3245, 6985, 7493, 10835, 11623, 25019, 37465, 58115, 82423, 125095, 127853, 275209, 412115, 639265, 1376045, 1476121, 7380605, 16237331, 81186655]

約数ペア:

[(1, 81186655), (5, 16237331), (11, 7380605), (55, 1476121), (59, 1376045), (127, 639265), (197, 412115), (295, 275209), (635, 127853), (649, 125095), (985, 82423), (1397, 58115), (2167, 37465), (3245, 25019), (6985, 11623), (7493, 10835)]