218990161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{1483}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 243162304

約数和(自身を除く): 24172143

約数列:

[1, 13, 37, 307, 481, 1483, 3991, 11359, 19279, 54871, 147667, 455281, 713323, 5918653, 16845397, 218990161]

約数ペア:

[(1, 218990161), (13, 16845397), (37, 5918653), (307, 713323), (481, 455281), (1483, 147667), (3991, 54871), (11359, 19279)]