208720655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6211}}^1$

素因数の和:6287

約数の個数: 32

約数和(自身を含む): 300561408

約数和(自身を除く): 91840753

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 517, 611, 715, 2585, 3055, 6211, 6721, 31055, 33605, 68321, 80743, 291917, 341605, 403715, 888173, 1459585, 3211087, 3794921, 4440865, 16055435, 18974605, 41744131, 208720655]

約数ペア:

[(1, 208720655), (5, 41744131), (11, 18974605), (13, 16055435), (47, 4440865), (55, 3794921), (65, 3211087), (143, 1459585), (235, 888173), (517, 403715), (611, 341605), (715, 291917), (2585, 80743), (3055, 68321), (6211, 33605), (6721, 31055)]