28436690051

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{19867}}^1$

素因数の和:20555

約数の個数: 32

約数和(自身を含む): 36735137280

約数和(自身を除く): 8298447229

約数列:

[1, 7, 11, 29, 77, 203, 319, 641, 2233, 4487, 7051, 18589, 19867, 49357, 130123, 139069, 204479, 218537, 576143, 1431353, 1529759, 4033001, 6337573, 12734747, 44363011, 89143229, 140082217, 369307663, 980575519, 2585153641, 4062384293, 28436690051]

約数ペア:

[(1, 28436690051), (7, 4062384293), (11, 2585153641), (29, 980575519), (77, 369307663), (203, 140082217), (319, 89143229), (641, 44363011), (2233, 12734747), (4487, 6337573), (7051, 4033001), (18589, 1529759), (19867, 1431353), (49357, 576143), (130123, 218537), (139069, 204479)]