217678439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 242261280

約数和(自身を除く): 24582841

約数列:

[1, 11, 61, 401, 671, 809, 4411, 8899, 24461, 49349, 269071, 324409, 542839, 3568499, 19788949, 217678439]

約数ペア:

[(1, 217678439), (11, 19788949), (61, 3568499), (401, 542839), (671, 324409), (809, 269071), (4411, 49349), (8899, 24461)]