31890021935

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1\times {\mathrm{2837}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 40383332352

約数和(自身を除く): 8493310417

約数列:

[1, 5, 31, 47, 155, 235, 1457, 1543, 2837, 7285, 7715, 14185, 47833, 72521, 87947, 133339, 239165, 362605, 439735, 666695, 2248151, 4133509, 4377491, 11240755, 20667545, 21887455, 135702221, 205742077, 678511105, 1028710385, 6378004387, 31890021935]

約数ペア:

[(1, 31890021935), (5, 6378004387), (31, 1028710385), (47, 678511105), (155, 205742077), (235, 135702221), (1457, 21887455), (1543, 20667545), (2837, 11240755), (7285, 4377491), (7715, 4133509), (14185, 2248151), (47833, 666695), (72521, 439735), (87947, 362605), (133339, 239165)]