51898805

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1543}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 73593216

約数和(自身を除く): 21694411

約数列:

[1, 5, 7, 31, 35, 155, 217, 961, 1085, 1543, 4805, 6727, 7715, 10801, 33635, 47833, 54005, 239165, 334831, 1482823, 1674155, 7414115, 10379761, 51898805]

約数ペア:

[(1, 51898805), (5, 10379761), (7, 7414115), (31, 1674155), (35, 1482823), (155, 334831), (217, 239165), (961, 54005), (1085, 47833), (1543, 33635), (4805, 10801), (6727, 7715)]