217660355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{16421}}^1$

素因数の和:16678

約数の個数: 16

約数和(自身を含む): 286136928

約数和(自身を除く): 68476573

約数列:

[1, 5, 11, 55, 241, 1205, 2651, 13255, 16421, 82105, 180631, 903155, 3957461, 19787305, 43532071, 217660355]

約数ペア:

[(1, 217660355), (5, 43532071), (11, 19787305), (55, 3957461), (241, 903155), (1205, 180631), (2651, 82105), (13255, 16421)]