388689785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2089}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 541728000

約数和(自身を除く): 153038215

約数列:

[1, 5, 11, 17, 55, 85, 187, 199, 935, 995, 2089, 2189, 3383, 10445, 10945, 16915, 22979, 35513, 37213, 114895, 177565, 186065, 390643, 415711, 1953215, 2078555, 4572821, 7067087, 22864105, 35335435, 77737957, 388689785]

約数ペア:

[(1, 388689785), (5, 77737957), (11, 35335435), (17, 22864105), (55, 7067087), (85, 4572821), (187, 2078555), (199, 1953215), (935, 415711), (995, 390643), (2089, 186065), (2189, 177565), (3383, 114895), (10445, 37213), (10945, 35513), (16915, 22979)]