87438701

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 22047379

約数列:

[1, 7, 17, 71, 79, 119, 131, 497, 553, 917, 1207, 1343, 2227, 5609, 8449, 9301, 9401, 10349, 15589, 39263, 65107, 72443, 95353, 158117, 175933, 667471, 734779, 1106819, 1231531, 5143453, 12491243, 87438701]

約数ペア:

[(1, 87438701), (7, 12491243), (17, 5143453), (71, 1231531), (79, 1106819), (119, 734779), (131, 667471), (497, 175933), (553, 158117), (917, 95353), (1207, 72443), (1343, 65107), (2227, 39263), (5609, 15589), (8449, 10349), (9301, 9401)]