2187788408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{26003}}^1$

素因数の和:26831

約数の個数: 32

約数和(自身を含む): 4423280400

約数和(自身を除く): 2235491992

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 809, 1618, 3236, 6472, 10517, 21034, 26003, 42068, 52006, 84136, 104012, 208024, 338039, 676078, 1352156, 2704312, 21036427, 42072854, 84145708, 168291416, 273473551, 546947102, 1093894204, 2187788408]

約数ペア:

[(1, 2187788408), (2, 1093894204), (4, 546947102), (8, 273473551), (13, 168291416), (26, 84145708), (52, 42072854), (104, 21036427), (809, 2704312), (1618, 1352156), (3236, 676078), (6472, 338039), (10517, 208024), (21034, 104012), (26003, 84136), (42068, 52006)]